PRINCIPLES OF ANIMAL BIOLOGY 45 



References 



BAILEY, F. R. and MILLER, ADAM M., "Text-book of Embryology." Chapters I 

 to VI inclusive. 



HEGNER, R. W., "The Germ Cell Cycle in Animals." Chapters I and II. 1 

 HOLMES, SAMUEL J., "The Biology of the Frog." Chapter V. 

 KELLICOTT, WILLIAM E., "A Text-book of General Embryology." 

 KELLICOTT, WILLIAM E., "Outlines of Chordate Development." 

 MORGAN, THOMAS H., "The Development of the Frog's Egg." 

 PRENTISS, CHARLES W. and AREY, LESLIE B., "A Laboratory Manual and Text- 

 book of Embryology." Chapters I AND II. 



