XXVlll LIST OF ENGUAVIXGS. 



VOLUME II. 



Fig. Page 



239 Rotation, or partial circulation in the cells of the Cau- 



linia fragilis, magnified, (Amici) 45 



240 The same in the jointed hair of the Tradescantia virginica 



(Slack) 45 



241 Section of the Hydra viridis, magnified, (Trembley) ... 6Q 



242 Hydra viridis seizing a worm, (id.) 68 



243 The same after swallowing a minnow, (id.) 68 



244 A Hydra which has swallowed another of its own species, 



(id.) 68 



245 Compound Hydra, with seven heads, (id.) . . . , 68 



246 Veretilla lutea, showing the communicating vessels of 



Polypes, (Quoy et Gaimard) 74 



247 Nutrient vessels of the Tcunia solium, (Chiaje) 74 



248 Tcenia ylobosa, or Hydatid of the Hog, (Goeze) ...... 74 



249 Horizontal section of the Rhizostoma Cuvieri, Peron, 



(Eysenhardt) 78 



250 Geronia hexaphylla, Peron, Medusa proboscidalis, 



(Forskal) 78 



251 Vascular network in margin of the disk of the Rhizos- 



toma Cuvieri, (Eysenhardt) 78 



252 Vertical Section of the Rhizostoma Cuvieri, (id.) 79 



253 Transverse section of one of the arms of the same, (id.). . 79 



254 Transverse section of the extremity of a tentaculum of the 



same, (id.) 79 



255 Leucophra patula, highly magnified, (Ehrenberg) 85 



256 AHmentary canal and caeca of the same, viewed sepa- 



rately, (id.) 85 



257 Vertical section of the Actinia coriacea, (Spix) 89 



258 Digestive organs of the Asterias, (Tiedemann) 90 



259 Stomachs of the Nais vermicularis, (Roesel) 91 



260 Stomachs of the Hirudo medicinalis, (original) 92 



261 Mouth of the same, showing the three semicircular teeth, 



(original) 92 



262 Tooth of the same, detached, (original) 92 



263 Glossopora tuber culata ; Hirudo complanata, Lin. (John- 



son) 93 



