LIST OF ENGRAVINGS. XXXI 



Fig. Page 



292 A section, similar to the last, of another species of ser- 



pent, (id.) 165 



293 Squalus pristis. u. Under side of its snout, (Latham) 166 



294 Interior of the Stomach of a Lobster, (original) 167 



295 Gastric teeth of Bullcea aperta, (Cuvier) 168 



298 Gizzard of the Swan, (Home) 169 



299 Crop and gizzard of the Parrot, (id.) 179 



300 Crop of the Pigeon, (id.) 179 



301 Human stomach, (id.) 182 



302 Interior of the stomach of the African Ostrich, (id.). . 185 



303 Gastric glands of the same, (id.) 185 



304 Gastric glands of the American Ostrich, (id.) 185 



305 Longitudinal section of the gastric glands of the Beaver, 



(id.) 185 



306 Stomach of Dormouse, (id.) 191 



307 Stomach of Hyrax capensis, (Cuvier). 191 



308 Stomach of Porcupine, (id.) 191 



309 Stomach of Kanguroo, (id) 191 



310 Stomach of Delphinus phoccena, (id.) 191 



31 1 Cardiac valve of the Horse, (Gurlt) 192 



312 The four stomachs of a Sheep, (Carus) 192 



313 Inner surface of the honey-comb stomach, (Home) . . 192 



314 Inner surface of the many-plies stomach of an Ox, (id.) 192 



315 Interior cellular surface of the second stomach of the 



Camel, (id.) 192 



316 Spiral valve in the intestine of the Shark, (Blasius) . . 205 



317 Digestive organs of the Mantis religiosa, (Marcel de 



Serres) 211 



318 - - Melolontha vulgaris, (Leon Dufour) 213 



319 Cicindela campestris, (id.) 213 



320 Portion of a hepatic vessel of the Melolontha, highly 



magnified, (Straus Durckheim) 214 



321 Alimentary canal of the Acrida aptera, (original) .... 214 



322 Interior of the gizzard of the same magnified, (original) 214 



323 Row of large teeth in the same, still more magnified, 



(original) . . , 214 



324 Profile of one of those teeth still more highly magnified, 



(original) 214 



