35° 



INDEX. 



Tseudo-neuroptera, 202. 

 Pseudopodia, xviii, 23, 70, 



84. 

 Pseudo-seorpionidea, 195. 

 Pseudova of Aphides, 69, 204. 

 Pteropoda, 211, 213, 226. 

 Ptyalin, 38. 

 Pubis, 243. 

 Pulmonata, 219, 225. 

 Pulp cavity of tooth, 285. 

 Pupa, 74. 

 Purple, 224. 



"Rabbit, 89, 299. 



Eace, 123. 



Badial symmetry, 82, 169. 



Eadial canals of medusae, 

 160. 



Eadiata, 117. 



Eadiolaria, 136. 



Eapacia, 284. 



Eaptores, 277. 



Easores, 276. 



Eat, 90, 297, 299. 



Eatitse, 274. 



Eazor-shell, 216, 216. 



Reflex action, 34. 



Eegular sea-urchins, 175. 



Eeproduction, 65. 



Eeptiles, 239,247, 266. 



Eetrograde development, 

 xviii. 



Ehabdoooels, 180. 



Rhizopoda, 134. 



Ehynchoccela, 181. 



Eibs, 242. 



Eodentia, 283. . 



Eodent dentition, 297. 



Eodent dentition of marsu- 

 pials, 298. 



Eostrum, 193. 



Eotatoria, 178, 184. 



Eotifers, 184. 



)5ac, xviii. . 

 Saliva, 38. 

 Sand-cake, 176. 

 Sand-flea, 189. 

 Sarcode, xviii, 22. 

 Saurii, 269. 

 Sauropsida, 247. 

 Scales of fish, 257. 

 Scales of reptiles, 269. 

 Scallops, 212, 217. 

 Scansores, 276. 

 Soaphopoda, 219. 

 Scapula, 243. 

 Schizocoele, 41. 

 Schwann, 59. 

 Scorpionidea, 195.. 

 Scyphomedusse, 164. 

 Sea-anemone, Dahlia, 156. 

 Sea-anemone, Snowy, 155. 

 Searanemones, 142, 155, 156. 

 Sea-cucumbers, 168, 171, 



.177. 

 Sea Ear, 220, 221. 

 Sea-mat, 232. 

 Sea-mouse, 182. 

 Sea-nettles,'l48. 

 Sea-pen, 155. 

 Sea Squirt, 77, 237. 

 Sea-snails, 225. 

 Sea-urchins, 168, 174-177. 

 Sections for the microscope, 



48, 76, 328. 

 Segmental organs, 48, 184, 



197. 

 Segmentation, 70. 

 Segments, xviii, 83. 

 Segmented animals, 35, 83, 



178. 

 Selaohii, 252. 

 Sense-organs, 32. 

 Sepia, 228.. 

 Setse, 201. . 

 Sharks, 252. 



