LIST OF PLATES, ILLUSTRATING TIIK ORIGINAL 

 MEMOIRS IN VOL I 



Plate i. Development of the layers of the blastoderm . . 2>> 



Disappearance of primitive groove 4' 



2. Development of blood-vessels 47 



3-1 Preliminary account of development ot Elasmobranch 



4.] Fishes 60 



5- Comparison of early stages of Vertebrates . . . 112 



6. Development of Elasmobranch Fishes, ch. II. . 222 



7- III. . . 2^ 



8.1 

 9-J 



IV. . . 286 



io. V. 



VI. . . 3'5 



13- M M VII. . . 301 



14. n VIII.. - 378 



I5-) 

 i6J 



, I7-) 



IX. . 397 



1 8. X. . . 44'> 



19. XI. . . 460 



"^1 - , XII. . . 479 



2I -J 



I Development of spinal nerves in Elasmobranchs . . 168 

 2 3-J 

 24) 



25.)- Structure and development of Vertebrate ovary . . 549 

 26.) 

 .27-1 



28.J 



Head-kidney in embryo Chick 618 



29. Early development of Lacertilia ^44 



Development of Araneina ^^ 



!'.. IV. k 



77 ~ J~ 



30.) 



v 3-> 



32 ) 



