ILLUSTRATIONS. 



XV 



FIGCRE PAGE 



143. Schema of the arterial system 



of Sana etculenta . .223 



144. Right carotid gland . . 224 



145. Arterial system of Rana escu- 



lenta 225 



146. Transverse section at level of 



the larynx .... 226 

 14". Dissection to show the occipito- 

 vertebral and the cutaneous 

 arteries .... 227 



148. Branches of the occipito-verte- 



bral and cutaneous arteries 



in the head . . . 228 



149. Dissection to show the occipito- 



vertebral and the cutaneous 

 arteries .... 229 



150. Subclavian artery of the left 



side 231 



151. Arteries of the palmar surface 



of the hand . . . 232 



152. Arteries of the dorsal surface of 



the hand .... 232 



153. Arterial system of Sana escu- 



lenta 234 



154. The urinogenital arteries . 235 



155. Bifurcation of the aorta and the 



iliac arteriee . . .236 



156. Arteriee of the hinder ex- 



tremity .... 237 



157. Arteries of the dorsal surface of 



the foot .... 239 



158. Arteries of the sole of the foot 240 



159. Schema of the veins of Sana 



esevienta .... 242 



160. Distribution of the internal 



jugular vein and the an- 

 terior portion of the cuta- 

 neous vein .... 243 



161. The anterior caval vein and its 



branches .... 244 



162. Course of the cutaneous vein as 



seen from the side . . 245 



163. Veins in the region of the 



kidney .... 246 



164. Veins of the liver . . .248 



165. Veins of the hinder extremity . 250 



166. Transverse section of a septum 



with the attached skin . 252 



167. The sinus abdominalis lateralis 252 



168. Sinus thoracicus transversus . 253 



169. The lymph-sacs of Rana esc'i- 



lenta (seen from the dorsal 

 surface) .... 254 



170. Do. (seen from the ventral do.) 256 



171. Do. (seen from the side) . . 257 



172. Transverse section through the 



trunk in the region of the 

 iliac lymph-sac . . . 258 



173. Dissection to show the iliac 



lymph-sac .... 259 

 1~4. Plan of attachments of the in- 

 ferior femoral etc. septa . 259 

 175. Transverse section of the thigh 260 



FIGCRE PA6B 



176. The anterior lymph-hearts . 261 



177. The posterior lymph-hearts . 261 



178. The roof of the mouth . . 276 



179. The floor of the mouth . - -77 



180. The capillaries of the sub- 



mucous layer (coloured] Plate II. 

 181 1. Transverse section of the pre- 

 maxillary bone, to show at- 

 tachment of the teeth . . 279 

 181 II. Dentine and enamel . . 279 

 181 III. Enamel . . . .279 

 182, 183. Muscles of the tongue 281, 282 



184. The alimentary canal . . 2$3 



185. The abdominal viscera of Sana 



esc-ultnta .... 284 



186. Longitudinal folds of stomach 



of Sana temporaria . . 285 



187. The cells at the mouth of the 



gland of the fundus of the 

 stomach . {coloured) Plate II. 



188. The mucous membrane of the 



pyloric end of the stomach of 

 Sana esculenta . . . 286 



189. Mucous membrane of the 



pyloric end of stomach and 

 duodenum .... 288 



190. Isolated fold of mucous mem- 



brane of small intestine of 

 Sana temporaria . . 291 



191. Fold of mucous membrane of 



Sana temporaria . . 291 



192. The large intestine of Sana 



temporaria . . . 292 



193. Large intestine of Sana etcu- 



lenta 293 



194. The liver .... 295 



195. The pancreas and bile-canals . 296 

 196 I. ) The hepatic veins 



196 IL \ (coloured) Plate II. 



The hepatic arteries 



(coloured) Plate II. 



197. Liver-cells .... 299 



198. The bile-capillaries . . . 299 



199. The pancreas and bile-canals . 300 



201. The peritoneum of Sana escu- 



lenta 305 



202. The position and relations of 



the larynx . . . . 3 1 1 



203. The cartilaginous skeleton of 



the larynx . . . .312 



204. The larynx and surrounding 



parts 313 



205. The muscles of the larynx . 314 



206. Three sections through the la- 



rynx of Sana escvlenta . 316 



207. The'Rimaglottidis . .317 



208. The lung of Sana temporaria 



(coloured) Plate H. 



209. The vocal sac of the right 



side 320 



210. The thymus gland . . .321 



211. The thymus gland of Sana 



esculenta . . . .321 



196 HL 



