314 EMBRYOLOGY 



Chapter 19 



Mammalian embryology is given special treatment in a number of text- 

 books: 



Arey, L. B., Developmental Anatomy. 



Hamilton, W. J., Boyd, J. D., and Mossman, H. W., Human Embry- 

 ology, The Williams and Wilkins Co.; Wm. Heffer and Sons Limited, Cam- 

 bridge, England, 1945. 



Patten, B. M., Human Embryology, The Blakiston Company, 1947. 



Patten, B. M., The Embryology of the Pig (second edition) , P. Blakiston 

 and Sons, 1931. 



Windle, W. F., Physiology of the Fetus. W. B. Saunders Company, 1940. 



Asdell, S. A., Patterns of Mammalian Reproduction, Comstock Publish- 

 ing Company, 1946. 



Chapter 20 



For determination of polarity in Fucus egg, consult Child, C. M., Prob- 

 lems and Patterns of Development. 



For a discussion of sex differentiation and its modifications see Allen, E., 

 et al., Sex and Internal Secretions. 



On the maturation of germ cells, consult any textbook of genetics or 

 embryology. 



