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Articles 19741 - 19744 of 19744
Full-Text Articles in Entire DC Network
Examination Of The Irvington Water Supply, Samuel Virgil Mcgaughey
Examination Of The Irvington Water Supply, Samuel Virgil Mcgaughey
Manuscript Thesis Collection
No abstract provided.
A New Method For The Quantitative Determination Of Plankton Hauls, Henry B. Ward
A New Method For The Quantitative Determination Of Plankton Hauls, Henry B. Ward
Studies from the University of Nebraska Zoological Laboratory
Only two methods of estimating the quantity of plankton obtained in a haul of the vertical net are known to me. These two may be called the volumetric and the gravimetric. Both have been used by observers in various parts of the world, but so far as I know have never been comparatively tested in order to ascertain the relative value of results obtained by the two. The experience of the past year has shown some disadvantages in the first method, while the second has certain evident objections which rendered its employment in this case out of the question. In …
Evolution And Classification, Charles E. Bessey
Evolution And Classification, Charles E. Bessey
Papers in Systematics and Biological Diversity
As we have gathered up the scattered masses of botanical knowledge, laboriously wrought out by many isolated workers, and attempted to fit them together into a consistent whole, which should outline the structure of the temple of botany, we have found that the workmen have not always followed the same architectural plan, and have often used different units of measurement. With the increasing specialization so noticeable year by year there is a corresponding lack of coordination of work. To this lack of coordination, this want of unity of measurement, this misunderstanding of plan, we can no longer close our eyes, …
The Voice Of The Phi Sigma -- 1889 -- Vol. 11, No. 05, Phi Sigma
The Voice Of The Phi Sigma -- 1889 -- Vol. 11, No. 05, Phi Sigma
The Voice of the Phi Sigma
This item is part of the Phi Sigma collection at the College Archives & Special Collections department of Columbia College Chicago. Contact [email protected] for more information and to view the collection.