ally differentiated parts, the sub-commissural, the paraventricular and the sub- 

 fornical organs. 



The work is illustrated with more than 130 photomicrographs. The bibliogra- 

 phy comprises 38 pages. 



"EMBRYOLOGISCHE UND HISTOLOGISCHE UNTERSUCHUNGEN 

 AN MONOKOTYLEDONEN" 

 1957 

 by H. von Guttenberg VEB Gustav Fischer Verlag 



(Botanische Studien. Heft 7) Jena 



161 pp., 154 textfigs., 10 pis. Price: D.M. 16.40 



This monograph brings together a number of separate investigations on the 

 development of monocotyledonous plants. The problems underlying these 

 investigations are of a comparative-morphological nature. The studies are 

 carried beyond germination, and special attention is paid to root formation. 



"STUDIES ON THE MORPHOGENESIS OF THE BRAIN IN SOME 

 AMPHIBIA, ASCAPHUS, RANA, NECTOPHRYNOIDES" 



1959 

 by Kn. H. Brabbe Ejnar Munksgaard 



(Morphogenesis of the Vertebrate brain, VII) Copenhagen 



63 pp., 19 pis. Price: D.Kr. 35.— 



This monograph is the seventh in a series of studies by the same author 

 started in 1939. The work is purely descriptive. It deals with three Anuran 

 forms, and has very fine plates. 



"PHYSIOLOGY OF PREMATURITY" 

 1958 

 Editor: J. T. Lanman Josiah Macy, Jr. 



Transactions of the second Foundation 



Conference, 1957) New York 



160 pp., 62 figs., 23 tbs. - Price: $ 3.75 



This report is a sequel to the one announced in the supplement to the 

 seventh issue (p. 22). It contains group discussions about aerobic and 

 anaerobic metabolism in the fetus, and about breathing in premature infants. 



"BLASTOGENESE DES MENSCHEN" 

 1959 

 by K. Mazanec VEB Gustav Fischer Verlag 



179 pp., 118 figs. Jena 



Price: D.M. 20.60 



This monograph is an extended translation of the original Czech edition of 

 1953. It deals with the developmental period from till about 21 days 

 (i.e., until the appearance of the first somites). This developmental period is 

 subdivided into seven epochs, according to Streeter's criteria. The book opens 

 with a brief critical survey of all the embryonic material of this period available 

 up till about 1956. Then follows a continuous description of the developmental 

 processes, based on this material, a short chronological survey, and a summary. 



The illustrations are printed on special paper. The greater part of the figures 



242 



