LIST OF WOODCUTS. 



XVH 



116, 



118. 

 119. 

 120. 

 121. 

 122. 



123, 



125. 

 126. 

 127- 



132, 

 134. 

 135. 

 136. 

 137. 

 138. 



117. Head of embryo 

 Chick .... 

 Head of embryo Dog 

 Kudiments of the limbs . 



Lyre-shaped germ of Dog 



Human germs from the 

 second to the fifteenth 

 week .... 



124. Anatomy of human 

 germs (four and five 

 weeks) .... 



Head of Nose -ape . 



Head of Julia Pastrana . 



131. Human eggs and 

 germs from second to 

 sixteenth weeks . 



133. „ ,, 



)> » 



Chick germ with allantois 

 Dog germ with allantois . 



» )i 



Pregnant human uterus 

 with egg - membranes 

 and navel-cord . . 



PAGE 



356 

 356 

 357 

 359 

 367 



368 



370 

 374 

 374 



376 

 377 

 378 

 380 

 381 

 382 



384 



nOUHE PACK 



139. Development of egg-mem- 



branes .... 385 



140. Development of amnion . 387 



141. „ 388 



142. „ „ 389 

 143, 144. Development of heart 392 

 145,146. „ „ 393 



147. „ „ 395 



148. First circulation of the 



blood .... 396 



149. „ „ 397 



150. „ „ 398 



151. Amphioxus lanceolatus . 420 



152. Transverse section 



through Amphioxus . 424 



153. An Ascidian . . , 431 



154. Another Ascidian . . 434 



155. Gastrula of Amphioxus . 444 



156. Gastrula of Sponge . 445 



157. Transvei'se section 



through Amphioxus larva 447 



158-160. „ „ 452 

 161. Transverse section 



through Vertebrate , 457 



162. Append icularia 



459 



