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Articles 15751 - 15780 of 16201
Full-Text Articles in Life Sciences
Descriptions And Records Of Bees.— Vi., T. D. A. Cockerell
Zur Kenntnis Der Bienengattung Fidelia Friese, H. Brauns
Some New Eucerine Bees From The West, T. D. A. Cockerell
Descriptions And Records Of Bees.— Iv., T. D. A. Cockerell
New Bees From Colorado, T. D. A. Cockerell
Diadasia Patton; A Genus Of Bees, T. D. A. Cockerell
Tables For The Separation Of Some Bees Of The Genera Coelioxys And Colletes, T. D. A. Cockerell
Tables For The Separation Of Some Bees Of The Genera Coelioxys And Colletes, T. D. A. Cockerell
Ca
No abstract provided.
On The Hymenoptera Of The Albany Museum, Grahamstown, South Africa (Third Paper), Peter Cameron
On The Hymenoptera Of The Albany Museum, Grahamstown, South Africa (Third Paper), Peter Cameron
Bu
No abstract provided.
Descriptions And Records Of Bees.— Ii., T. D. A. Cockerell
Notes On Some Bees In The British Museum, T. D. A. Cockerell
Descriptions And Records Of Bees.— I., T. D. A. Cockerell
Some Bees Collected By The Rev. G. Birkmann At Fedor, Texas, T. D. A. Cockerell
Some Bees Collected By The Rev. G. Birkmann At Fedor, Texas, T. D. A. Cockerell
Ca
No abstract provided.
New American Bees, T. D. A. Cockerell
Some Bees Of The Genus Melissodes From The Rocky Mountain Region, T. D. A. Cockerell
Some Bees Of The Genus Melissodes From The Rocky Mountain Region, T. D. A. Cockerell
Ca
No abstract provided.
Une Nouvelle Abeille Du Mexique, T. D. A. Cockerell
Some Bees Of The Genus Nomada From Wisconsin, T. D. A. Cockerell
Some Bees Of The Genus Nomada From Wisconsin, T. D. A. Cockerell
Ca
No abstract provided.
Circular No. 4 - Memoranda Of Plans Of Irrigation Investigations
Circular No. 4 - Memoranda Of Plans Of Irrigation Investigations
UAES Circulars
The present series of irrigation investigations was begun in 1901, and has been continued since then. Since January 1st, 1904, the investigations have been carried on in co-operation with the Irrigation Investigations (Chief, Professor Elwood Mead) of the Office of Experiment Stations, U.S. Department of Agriculture.
Bee Keeping, Frank Benton
Bee Keeping, Frank Benton
Ba
Frequent inquiries from correspondents of the Department of Agriculture for information on matters pertaining to the culture of bees and particularly as to the conditions under which one may reasonably expect to meet with success in this pursuit, led to the preparation of this bulletin in July, 1897. Though designed by the author primarily to answer a few of the specific questions which are most likely to present themselves to the mind of the inquirer wholly unfamiliar with the subject, the aim has been also to introduce in the treatment of the various topics information which it is hoped will …
Three New Bees From The Southwest, T. D. A. Cockerell
Bulletin No. 92 - Poultry Experiments, James Dryden
Bulletin No. 92 - Poultry Experiments, James Dryden
UAES Bulletins
This bulletin reports experiments extending over several
years on the following subjects:
1. The egg-type in hens.
2. Breeding to increase egg yield.
3. Cost and profit of egg production.
4. Weight and cost of food eaten.
5. The value of exercise for the laying hen.
6. The relative value of different breeds.
7. The most profitable age of the hen.
8. The relative value of different forms of animal food.
9. The value of fat in poultry foods.
10. Feeding color into the egg.
11. Incubator experiments.
12. Tests of evaporation of eggs during incubation.
13. Tests of carbonic …
The Bees Of Southern California.— Viii., T. D. A. Cockerell
A Third Contribution To The Knowledge Of The Hymenoptera Of Sarawak, Peter Cameron
A Third Contribution To The Knowledge Of The Hymenoptera Of Sarawak, Peter Cameron
Bu
No abstract provided.
Monographie Des Vespides De Genre Nectarina, R. Buysson
Monographie Des Vespides De Genre Nectarina, R. Buysson
Bu
Les Nectarina ou Nectarines sont des Vespides vivant en sociétés très nombreuses et pérennes. Leur industrie est grande et leur nidification des plus remarquables. Elles habitent uniquement les contrér,s chaudes et tempérées de l'Amérique. On les trouve répandues depuis ie Mexique jusque dans la Bépublique Argentine. Elles ont été signalées depuis fort longtemps, parce qu'elles emmagasinent du miel dans les alvéoles de leurs nids, particularité bien connue des voyageurs, qui la tinrent d'abord des Indiens.
Eine Neue Palaearktische Halictus-Art, J. D. Alfken
Eine Neue Palaearktische Halictus-Art, J. D. Alfken
A
Halictus truncatus n. sp. 4.5-5.25 mm. lg. Schwarz, Kopfkurz, ein wenig greis behaart; Clypeus nicht vorgezogen, viel breiter als lang, glänzend, vereinzelt und grob punktiert; Stirnschildchen stark rundlich gewölbt, ebenfals glänzend und zerstreut punktiert; Wangen, Stirn, Scheitel und Schläfen matt, dicht und fein punktiert. Fühler schwarz, Geissel unterseits rotbraun.
On Some New Genera And Species Of Hymenoptera Collected By The Revd. J.A. O'Neil, S.J., Chiefly At Dunbrody, Cape Colony., Peter Cameron
On Some New Genera And Species Of Hymenoptera Collected By The Revd. J.A. O'Neil, S.J., Chiefly At Dunbrody, Cape Colony., Peter Cameron
Bu
No abstract provided.
Bulletin No. 91 - Arid Farming In Utah: First Report Of The State Experimental Arid Farms, John A. Widtsoe, Lewis A. Merrill
Bulletin No. 91 - Arid Farming In Utah: First Report Of The State Experimental Arid Farms, John A. Widtsoe, Lewis A. Merrill
UAES Bulletins
The present high position of Utah among the great commonwealths is due to the practice of irrigation. According to the last census, about 983 square miles are now being irrigated; and yet only a small fraction of Utah's water supply is used for purposes of irrigation. With the adoption of improved methods of using water, and the construction of mighty reservoirs to store the floods of spring, the irrigated area in this State will be largely increased. It is not at all improbable that in time the water supply may be made to irrigate ten times the area now under …
Bees Of Southern California, T. D. A. Cockerell
Descriptions And Records Of Bees.— Iii., T. D. A. Cockerell
Some American Hymenoptera, T. D. A. Cockerell
Additions To The Recorded Hymenopterous Fauna Of The Phillipine Islands, With Descriptions Of New Species, William H. Ashmead
Additions To The Recorded Hymenopterous Fauna Of The Phillipine Islands, With Descriptions Of New Species, William H. Ashmead
An
In my previous papers on the Hymenoptera fauna of the Philipines Islands, I find that I overlooked many species recorded from the archipelago. Below, therefore, I give a list of these omissions and follow with descriptions of two ne wgenera and twenty-eight new species received recently from Father Robert Brown, S.J., of the Phillipine Weather Bureau, Manila, Prof. Charles S. Banks, of the Governement Laboratories, Manila, and Dr. E. A. Mearns, U.S.A.