here. Judging from the table of contents, the scope of the book is different 

 from that of Lopashov's book of I960, the English edition of which is 

 reviewed ibelow (no. 16). While the earlier book was largely based on 

 original research by Prof. Lopashov and his collaborators, the present book 

 provides a more general discussion of the work carried out by a large number 

 of investigators on the development of vertebrate eyes. In contrast to the 

 earlier book the present one contains a rather extensive chapter on normal eye 

 development, a chapter on lens and retina regeneration, and one on the role 

 of external factors in the development of eye malformations. 



The book is illustrated with numerous line drawings and photomicrographs. 

 The bibliography is more extensive than that of the earlier book. It covers 

 26 pages, 6 of which are devoted to Russian titles. 



5. THE EMBRYONIC DEVELOPMENT OF THE DOMESTIC 



CHICKEN, 



and its relationship to the yolk and the egg membranes 

 1961 



by M. N. Ragozina Izdatelstvo Akademii 



167 pp., 26 figs., 10 coloured pis. Nauk S.S.S.R. 



Moskva 



This book is written in Russian, and therefore is not reviewed extensively 

 here. According to a review in "Biological Abstracts" (Basic med. Sci. 40, 5, 

 1485) it is essentially a normal table of chick development, supplemented with 

 a series of revisions of the existing concepts of the development of the chick 

 within the egg, based on the author's own investigations. 



6. EMBRYONIC DEVELOPMENT AND INDUCTION 



2nd issue, 1962 

 by H. Spemann Hafner Publ. Cy. 



401 pp., 192 figs. New York 



Price: $ 10.— 



This is a reprinting of a classic first published in 1938, shortly after the 

 appearance of the original German text entitled "Experimentelle Beitrage zu 

 einer Theorie der Entwicklung". 



The present issue has on the whole received appropriate care, but one rather serious objection 

 must be raised: many of the illustrations, particularly the photographical ones, have suffered a 

 considerable loss of significant detail owing to an unsatisfactory technique of reproduction. 



7. STAGES IN THE DEVELOPMENT OF ICTALURUS NEBULOSUS 



1962 

 by Ph. B. Armstrong Syracuse Univ. Press 



(ill. by J. S. Child) Syracuse, N.Y. 



8 pp.. 16 pis. Price: $4.95 



(not bound) 



The fish with which this series of normal stages is concerned was formerly 

 called Ameiurus (Amiurus) nebulosus (Siluridae, Cyprintformes). It is 

 generally distributed throughout the Eastern and Central United States, and 



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