Proceedings of the United States National Museum, Volume 29

Front Cover
Smithsonian Institution Press, 1906 - Science - 54 pages
 

What people are saying - Write a review

We haven't found any reviews in the usual places.

Other editions - View all

Common terms and phrases

Popular passages

Page v - Museum, and setting forth newly acquired facts in biology, anthropology, and geology derived therefrom, or containing descriptions of new forms and revisions of limited groups. A volume is issued annually, or oftener, for distribution to libraries and scientific establishments, and in view of the importance of the more prompt dissemination of new facts a limited edition of each paper is printed in pamphlet form in advance.
Page 434 - ... inches from the tip of the beak to the end of the tail when spread as far as possible flat.
Page 495 - On the Origin of Heterocercy and the Evolution of the Fins and Finrays of Fishes.
Page v - Since 1902 the volumes of the series known as " Contributions from the National Herbarium," and containing papers relating to the botanical collections of the Museum, have been published as bulletins. The...
Page 462 - This preliminary work was done in the laboratory of the United States Bureau of Fisheries at Beaufort, North Carolina.
Page 435 - II) shows several differences in points of structure, due chiefly to the better understanding of these extinct forms. The most striking dissimilarity is in the shortening of the trunk by a reduction of the number of presacral vertebra1.
Page v - ... newly acquired facts in biology, anthropology, and geology, with descriptions of new forms and revisions of limited groups. Copies of each paper, in pamphlet form, are distributed as published to libraries and scientific organizations and to specialists and others interested in the different subjects. The dates at which these separate papers are published are recorded in the table of contents of each of the volumes. The series of Bulletins, the first of which was issued in 1875, contains separate...
Page 419 - The Universal Conchologist, exhibiting the figure of every known Shell, accurately drawn and painted after Nature, with a new systematic arrangement.
Page 421 - London, 1784. Those who only know this book from Chenu's reprint, Paris, 1845, can form but a poor idea of the exquisite beauty of the original work. Of this, very few copies are accessible ; but it may be consulted at the British Museum, the Royal Society, and the Royal College of Surgeons. No.
Page 617 - These are differences in kind of specialization, and indicate two distinct lines of descent or a dichotomous division of the order. Among those Lepidoptera in which the wings are unite'd by a frenulum, great differences occur in the degree to which this organ or a substitute for it is developed ; such differences may merely indicate the degree of divergence from a primitive type and may need to be correlated with other characters to indicate dichotomous divisions.

Bibliographic information