File:Image from page 215 of "Introduction to zoology; a guide to the study of animals, for the use of secondary schools;" (1900) (14782675514).jpg

Identifier: introductiontozo00dave Title: Introduction to zoology; a guide to the study of animals, for the use of secondary schools; Year: 1900 (1900s) Authors: Davenport, Charles Benedict, 1866-1944 Davenport, Gertrude Anna Crotty, 1866- Subjects: Zoology Publisher: New York, Macmillan company London, Macmillian and co., ltd. Contributing Library: MBLWHOI Library Digitizing Sponsor: MBLWHOI Library View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: FIG. 179. 195 196 ZOOLOGY Abnormalities are frequently found among starfishes, — partly on account of theircapacity for regeneration,even from the disk and asingle arm. Thus one mayfind a starfish with three orfour rays, or with a smallray interpellated in be-tween normal-sized ones.Not all abnormalities seemto be the result of mutila-tion, however; for example,sometimes two arms seem FIG. 180. —Abnormal starfish (Astenas),apparently produced by fusion of two to be fused (Fig. 180). r°Thalf nat- size> Phot°* by Other Starfishes. — Aste- . \j, -T. Text Appearing After Image: ' Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.