Studies in evolution; mainly reprints of occasional papers selected from the publications of the Laboratory of invertebrate paleontology, Peabody Museum, Yale University
xxiii, 638 pages including illustrations, plates. ; 23 cm
OCLC
ocm02386834
Bibliographies interspersed.
I. General evolution. The origin and significance of spines.--II. Structure and development of trilobites.--III. Studies in the development of the Brachiopoda.--IV. Miscellaneous studies in development: 1. Development of a paleozoic poriferous coral. 2. Symmetrical cell development in the Favositidae. 3. Development of the shell in the genus Tornoceras Hyatt.--Plates