LIST OP ENGRAVINGS. XXVii 



^07 Stomach of Hi/rax capensis, (Cuvier) . . . ^39 



308 Stomach of Porcupine, (id.) .... 139 



309 Stomach of iTflw^^t/roo, (id.) . . . 109 

 'SIO Stomach of Delphinus phoccBna, (\^l.) . . ^ 239 



311 Cardiac valve of the Horse, (Gurlt) . . . * 140 



312 The four stomachs of a Sheep, (Carus) . . .141 



313 Ini>er surface of the honey-comb stomach, (Home) . 141 



314 Inner surface of the many-plies stomach of an Ox, (id.) . 141 



315 Interior cellular surface of the second stomach of the Camel 



<^'^'^ • • • . . . . ' 141 



316 Spiral valve in the intestine of the Shark, (Blasius) . . 149 



317 Digestive organs of the Mantis religiosa, (Marcel de Serres) 153 



^1^ Melolontha vulgaris, (Leon Dufour) . . 154 



^1^ Cicindela campestris, (id.) . . , J54 



320 Portion of a hepatic vessel of the Melolontha, highly magni- 



fied, (Straus Durckheim) .... 155 



321 Alimentary canal of the .4cn^«cj9ferff, (original) . . 155 



322 Interior of the gizzard of the same, magnified, (oriainal) . 155 



323 Row of large teeth in the same, still more magnified,^ (original) 155 



324 Profile of one of those teeth, still more highly magnified" (ori- 



g^"al) j^ 



325 Base of the same tooth, seen from below, (original) . 155 



326 Alimentary canal of the Larva of the Spkinx°ligustri, (orio-i- 



nal) °. 157 



P"^ ■ of the Pupa of the same, (original) . .157 



328 of the Imagoof the same, (original) . . 157 



329 of the Patella, (Cuvier) . . . ' . * 159 



330 Stomachs of the PZeMroirancAiisPeromf, (id.) . . 159 



331 Pyloric appendices in the Salmon, (id.) . . .160 



333 Detached Dorsal vessel of Melolontha vulgaris, (Straus 



Durckheim) . . . _ _ .172 



334 The same, with its ligamentous and muscular attachments* 



O^O ' 172 



335 Side view of the anterior extremity of the same vessel, (id.) 172 



336 Section of the dorsal vessel, to show its valves, (id.) . . 170 



337 Circulation iit the antenna of the Semblis viridis, (Carus) * 17.5 



338 Course of circulation in the same insect, (id.) . 175 



339 Dorsal vessel of the Caterpillar of the Sphinx ligustri, side 



view, (original) . ^ j^y 



340 The same in the Chrysalis, (original) . . ' . 177 



341 The same in the Moth, (original) . . * * 177 



342 The same viewed from above, (original) . . * . 177 



