LIST OF ILLUSTRATIONS xi 



PAGE 



65. Diagram of Longitudinal Section to illustrate the 



Separation of the Embryo . . Facing 120 



66. Diagram showing the Mode of Development of 



the Embryonic Membranes. Early Stage . 124 



67. Diagram showing the Mode of Development of 



the Embryonic Membranes. About Fourth 

 Day 125 



68. Diagram showing the Mode of Development of 



the Embryonic Membranes. About Tenth 

 Day 126 



69. Longitudinal Section of Tail End of Embryo 



showing Early Development of Allantois Facing 130 



70. Embryonic Central Nervous System . ,, 130 



71. Embryo after 4 Days 8 Hours' Incubation . 145 



72. Embryo at the Seventh Day of Incubation . 145 



73. Embryo at the Eighth Day of Incubation . 145 



