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Articles 15871 - 15900 of 16201
Full-Text Articles in Life Sciences
Descriptions Of New Genera And Species Of Hymenoptera Taken By Mr. Robert Shelford At Sarawak, Borneo, Peter Cameron
Descriptions Of New Genera And Species Of Hymenoptera Taken By Mr. Robert Shelford At Sarawak, Borneo, Peter Cameron
Bu
No abstract provided.
Bulletin No. 94 - Summary Of Pig Feeding Experiments At The Utah Experiment Station From 1890 To 1902 With Deductions From The Same, F. B. Linfield
Bulletin No. 94 - Summary Of Pig Feeding Experiments At The Utah Experiment Station From 1890 To 1902 With Deductions From The Same, F. B. Linfield
UAES Bulletins
The Utah Experiment Station has conducted a large number of feeding experiments with animals, the most extensive work in this direction being with hogs. Since the station was organized, over one hundred tests of various rations have been made and over three hundred hog;s have been fed. The results of these feeding tests are scattered through many hundred pages of reading matter in the station publications. As the continuation of these experiments fell upon the writer, it was decided to investigate thoroughly the work already done at the station and to tabulate the results for study. A summary of the …
Bulletin No. 79 - Process Butter: A Dairy Fraud, R. W. Clark, John A. Crockett
Bulletin No. 79 - Process Butter: A Dairy Fraud, R. W. Clark, John A. Crockett
UAES Bulletins
A fraud which threatens to work great injury to the dairy interests of Utah, has made its appearance. It is a churning process by which the yield of butter can be abnormally increased by incorporating a large quantity of water and casein. A report has reached the Experiment Station to the effect that the promoters of this churning process are successfully enlisting the interest of Utah farmers and are selling county rights at fabulous prices.
This bulletin is issued only as a word of warning to those who would be entrapped. It is not probable that butter made according to …
The Bees Of The Genus Nomada Found In Colorado, With A Table To Separate All The Species Of The Rocky Mountains, T. D. A. Cockerell
The Bees Of The Genus Nomada Found In Colorado, With A Table To Separate All The Species Of The Rocky Mountains, T. D. A. Cockerell
Ca
No abstract provided.
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.11, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.11, William H. Ashmead
An
The wasps belonging to this family, on account of the emarginate eyes in the females, and the abdomen being usually marked with yellow or white, closely resemble those in the families Mysinidae and Scoliidae, but may be easily distinguished by the great difference in the legs, the middle coxae being approximate, the outer face of the tibiae being smooth, unarmed, without tubercles or spines, while the tarsi are without strong spines or bristles, and unfitted for digging.
A New Paranomia From British Columbia, William H. Ashmead
A New Paranomia From British Columbia, William H. Ashmead
An
Length 10.5 mm. Black; abdominal segments 1-4 at apex with bands of a golden-yellowish be pubescence; the head in front, the cheeks, the occiput, the thorax in front at the sides, the postscutellum, the legs, and the abdomen beneath, alI clothed with a pale or whitish pubescence. Wings hyaline, fuliginous at apex, the costae and parastigma black, the stigmal and internal veins testaceous. Legs mostly black, with tarsal joints 2-5 mostly yellowish. The head is rather finely, sparsely punctate, the thorax more closely and densely punctate, but with the punctures finer on the scutellum, while the metathorax is shagreened, opaque. …
Notes On The Bee-Genus Halictus, T. D. A. Cockerell
Svensk Insektfauna Trettonde Steklar, C. Aurivillius
Svensk Insektfauna Trettonde Steklar, C. Aurivillius
An
Steklarne anses med skäl såsom de högst stående bland in-sekterna. De utmärka sig genom följande kännetecken: Hufvudet mycket rörligt med munöppningen vänd nedåt. Öfverkäkarne kraftigt utbildade, bitande; underkäkarne bilda tillsammans med underläppen en sug- eller slickapparat. Första mellankroppsleden är i allmänhet liten och ofvan oftast orörligt sammanväxt med andra leden, dess sido- och bröstplåtar äro alltid genom en !edgång rörligt förenade med ryggplåten {halsskölden), hvarigenom frambenen blifva mycket rörliga. Vingarne, som sällan saknas, äro fyra, tunna, nakna, hinnaktiga och endast försedda med ett ringa antal slutna vingfält; de bakre kortare och smalare än de främre. Förvandlingen är fullständig. Larverna hafva …
Bulletin No. 80 - Irrigation Investigations In 1901, John A. Widtsoe
Bulletin No. 80 - Irrigation Investigations In 1901, John A. Widtsoe
UAES Bulletins
The fact that the ancient and, to arid countries, indispensible art of irrigation lacks a scientific basis, is the justification of the decision taken two years ago by the officers of the Utah Experiment Station, to make irrigation the central subject of their investigations.
Sleeping Habits Of Certain Hymenoptera, Nathan Banks
Sleeping Habits Of Certain Hymenoptera, Nathan Banks
An
The various means by which insects rest have been but little investigated. Occasional notes have been published, but often in connection with other matter, so that it is extremely difficult to collate the recorded facts. Since the Hymenoptera are among the most assiduous, as well as the most intelligent workers, it is natural that they should exhibit some interesting habits of sleep. The idea that the bee sleeps in the flower seems to have invaded literature at an early date. And there are a number of bees that commonly do remain in flowers (such as those of cucurbits and campanulas) …
Colletes Crucis, T. D. A. Cockerell
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.10, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.10, William H. Ashmead
An
The globose or rounded head, which is never flat, oblong, and the difference in the antennae, the antennae in males being 10-jointed, in the females 13-jointed, readily separate the subfamily from the Bethylinre. The group comes quite close to the Dryininae, but in the latter the head is transverse or subquadrate, never rounded, while the antennae are 10-jointed in both sexes.
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.9, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.9, William H. Ashmead
An
This family was first defined by that astute British systematist, A. H. Haliday, who, as early as 1839, very correctly placed the family among the Fossores.
A New Bee Of The Genus Bombomelecta, T. D. A. Cockerell
Notes And Descriptions Of Bees, J. C. Crawford Jr.
Notes And Descriptions Of Bees, J. C. Crawford Jr.
Co
The specimens on which this paper is based are in the collection of the University of Nebraska, unless otherwise stated. Especial acknowledgments are due to Prof. Cockerell for specimens and suggestions, to Prof. Titus for specimens, and to Prof. Bruner for overseeing my work.
Bulletin No. 78 - Experiments In Fattening Lambs, F. B. Linfield
Bulletin No. 78 - Experiments In Fattening Lambs, F. B. Linfield
UAES Bulletins
Sheep raising is among the most important agricultural industries of the state. Unlike the conditions in eastern states, the sheep industry of Utah is only indirectly associated with the farm. While the sheep owner generally lives on his farm, his sheep are kept on the public range and moved from place to place as feed and weather may make necessary. To be handled successfully on the range, sheep must be herded in large flocks. Under favorable conditions the expense account is comparatively light and returns substantial.
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.8, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.8, William H. Ashmead
An
Prof. Westwood and others confused these wasps with the Vespidae and the Eumenidae, although Latreille had years previously established his family Masarides. Henry de Saussure, in his "Etudes," treats them as a tribe. They, however, represent a distinct family close to the Eurnenidae, but easily separated from them and the Vespidae by the wings not being folded longitudinally, by peculiarities of the antennae, which are usually strongly clavate at tip; by the wholly different abdomen, the venter being flatter; and by the much larger scutellum.
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.7, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.7, William H. Ashmead
An
To this family belong the potter wasps. They differ from the paper-making wasps in being solitary and in constructing their nests of mud or clay, instead of macerated woody fibre or pulp. It is perhaps one of the largest, if not the largest, families in the Vespoidea, and is well represented in all parts of the world by many genera and species.
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.6, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.6, William H. Ashmead
An
This family is restricted to the paper-making wasps, all social species living in large communities and having three distinct sexes, female, worker, and male, thus agreeing with the social bees, the Apidea and Bombidae, and with many ants, Dorylidae, Myrmicidae, Formicidae, etc.
Bulletin No. 77 - Horse Feeding, Lewis A. Merrill
Bulletin No. 77 - Horse Feeding, Lewis A. Merrill
UAES Bulletins
Previous experiments reported by this Station have shown the value of lucern, the principal forage crop of this section, when fed to cattle, sheep and hogs. The main part of this bulletin is devoted to the value of lucern when fed to horses, though a brief review of the work previously done at this Station in connection with the subject of horse-feeding is included. There has been, and is, some prejudice existing against lucern forming a part or all of the ration of horses, not only in the East, where the value of this crop is not yet fully appreciated, …
The Genus Lithurgopsis, T. D. A. Cockerell
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.5, William H. Ashmead
Classification Of The Fossorial, Predateous And Parasitic Wasps, Or The Superfamily Vespoidea No.5, William H. Ashmead
An
This subfamily comes nearest to the Aporinae, and a few of the males are easily confused with and mistaken for some males in the latter group.
Papers From The Harriman Alaska Expedition, William Harris Ashmead
Papers From The Harriman Alaska Expedition, William Harris Ashmead
An
In this paper 335 species are recorded, of which number 201 are regarded as new to science and are here first described. Of the 10 superfamilies, into which the order is now divided, all are represented in Alaska and are distributed into 29 families and 183 genera. Two of these genera, Dallatorrea and Hyposyntactus are new, and of the remainder, thirty have not been previously reported from North America.
Bulletin No. 76 - Forcing Lettuce, C. P. Close
Bulletin No. 76 - Forcing Lettuce, C. P. Close
UAES Bulletins
The winter growing of lettuce is not yet practiced in Utah. There is a good demand for lettuce in Salt Lake City, Ogden, and in some of the smaller towns during the winter, but this demand is supplied by the California grown product. It is yet to be determined whether or not lettuce can be grown profitably under glass in this State. The recent high prices of the winter product indicate that the forcing of a moderate amount of lettuce can be done with profit.
In the season of 1899-1900, the Experiment Station began a series of experiments with lettuce …
New Bees Of The Genus Andrena, From Wisconsin, T. D. A. Cockerell
New Bees Of The Genus Andrena, From Wisconsin, T. D. A. Cockerell
Ca
No abstract provided.
Zur Kenntnis Der Prosopis Annularis K. (= Dilatata K.)- Gruppe. (Hym.), J. D. Alfken
Zur Kenntnis Der Prosopis Annularis K. (= Dilatata K.)- Gruppe. (Hym.), J. D. Alfken
A
Infolge der Bearbeitung der reichhaltigen Bieneusammlung meines verehrten Kollegen Th. Meyer in Hamburg habe ich eine genane Untersuchung der mir bekannten Arten du groupe si confus de Prosopis dilatala K.", wie J. Vachal sehr richtig sagt, vorgenommen: dadurch habe ich die Uebenengung gewonnen, dass im nordwestlichen Deutschland 2 sehr nahe verwandte Arten ans der genannten Gruppe vorkommen, welche ich irrtumlich bisher beide als P. dilatata K. bezeichuete. Nur die eine Art ist die echte P. dilatata K. = annularis K., die andere ist die P. compar Forst. Forster beschrieb von der letzteren nur das nach einem Exemplare, welches von Kellner …
The Bee Genus Dialictus, J. C. Crawford Jr.
The Bee Genus Dialictus, J. C. Crawford Jr.
Co
This differs from the true anomalus in its larger size, more densely punctured mesothorax, finer and more numerous lines on the metathorax, dark tegulae, abdomen distinctly punctured, quite closely on the second segment; dense r pubescence on the abdomen nearly concealing the surface on the apical segments; apical margins of abdominal segments testaceous.
On The Hymenoptera Collected By Mr. Robert Shelford At Sarawak, And On The Hymenoptera Of The Sarawak Museum, Peter Cameron
On The Hymenoptera Collected By Mr. Robert Shelford At Sarawak, And On The Hymenoptera Of The Sarawak Museum, Peter Cameron
Bu
No abstract provided.
Nidification De Quelques Megachiles, R. Buysson
Nidification De Quelques Megachiles, R. Buysson
Bu
Je connais la nidification d’un certain nombre d’especes de Megachiles, habitant le centre de la France. Pour toutes elle est analogue, que les cellules soient construites dans la terre ou sous une galerie creusee dans du bois tendre. Ce sont des cellules plus ou moins nombreuses places bout a bout et faites avec des fragments de feuilles. Rarement il y a deux series de cellules cote a cote. L’habilete de l’insecte consiste a tailler dans le limbe des feuilles des morceaux d’une forme reguliere et convenables pour la confection des cellules: des morceaux oboves pour les parois laterales et d’autres …
Art. Xxxii - A List Of The Hymenoptera Of New Zealand, Peter Cameron
Art. Xxxii - A List Of The Hymenoptera Of New Zealand, Peter Cameron
Bu
No abstract provided.