INDEX 



507 



Pierophyyne, habitat, 285. 



— nest attributed to, 328. 

 Pteroplatea, reproduction, 315. 

 Ptychodera, 489, 492. 



Ptychozoum homolocephalum, form of 



body, 92. 

 Puff-adder, 112. 

 Puffers, 272. 

 Pygopodida?, 114. 

 Pygopodus lepidopus, vestigial limbs, 



114. 

 Pyloric casca, 243. 

 Pyrosoma, 482. 

 Python, incubation, 72. 



— claws, in. 

 Pythonidae, 42. 

 Pythonomorpha, 7, 106, 132. 



Quadrate bone, 8, 9. 

 Quinnat, migrations, 297. 



Raffaele, on eggs of eels, 351. 

 Raia, electric organs, 432. 



— reproduction, 315. 

 Raiidae, sexual characters, 308. 

 Ratia, fossil remains, 173. 

 Rana catcsbiana, 166. 



— esculenta, 165. 



— opisthodon, igo. 



— temporaria, 165. 

 Ranidas, 165. 

 Rumania truncata, 273. 

 Rattle of Crotalus, 153. 

 Rattlesnake, associations, 61. 



— hibernation, 46. 

 Regeneration in Amphibia, 229. 



— in lizards, 153. 



— in reptiles, 58. 

 Remora, 305. 



Reproduction, in Urodela, igg. 

 Reproductive organs, fishes, 245. 

 Respiration, adaptations, 378. 



— in Amphibia, 160. 



— in Ascidians, 475. 



— in dog-fish, 242. 



— in reptiles, 13. 

 Retvopinna, 269. 

 Rhabdopleura, 489. 

 Rhacophorus malabaricus, nest, 189. 



— pardalis, flight, 223. 



— reticulatus reproduction, 196. 

 ■ — schlegelii, nest, 188. 

 Rhinoceros-viper, 86. 



Rhinoderma darwini, brood-pouch, 197, 



229. 

 Rhinodon, habitat, 284. 



— mode of feeding, 293. 

 Rhinenra florida, blindness, 114. 

 Rhodeus amarus, 339. 

 Rhyncocephalia, 18, 26. 



— distribution, 40. 



Rhyncocephalia, temporal arches, 10. 



Ribs of reptiles, 13. 



Ring-hals, 148. 



Ritter, W. E., on origin of species in 



Tunicates, 483. 

 River-jack viper, spitting, 150. 

 Rudder-fish, 306. 

 Ryder, on gestation of Sebastes, 337. 



Saccobranchus, air-breathing organ, 



380. 

 Saccopharynx, 287. 

 Salamandra, 162, igg. 



— atra, distribution, 178. 

 external gills, 227. 



— — reproduction, 204. 

 — ■ maculosa, 204. 



Salatnandrclla keyserlingii, eggs, 202. 

 Salamandrida?, 161. 

 Salamandrina, absence of lungs, 225. 

 Salamandrinae, 162. 



Salmon, sexual characters, 3og. 

 Salmonidas, in Kamtchatka, 262. 

 Salpa, 482. 

 Salt, effect on Amphibia, 181. 



— and fish-life, 2g4. 

 Sand-goby, nest, 326. 

 Sarcodaccs odoe, eggs, 324. 

 Sardines, 2g6. 

 Sargasso, fish-nest in, 327. 



— fish, 285. 



— Sea, 2g3. 



Sars, G. O., on habits of young cod, 



302. 

 Sauropoda, 2g. 

 Sauropterygia, origin, 22. 



— period, 28. 



— temporal arch, 10. 

 Scales, of Amphibia, 158. 



— of fishes, 236, 422. 



— variations, 361. 

 Scaphiopus, 225. 

 Scaridae, 273. 

 Sccloporus, colour, 78, 7g. 



— form of body, gi. 

 Scelidosaurus harrhoni, 121. 

 Scents of reptiles, 64. 

 Scheltopusik, see Glass-snake. 

 Schmidt, Johannes, on eels, 353. 

 Scicena aquila, 3go, 406. 

 Scincidae, see Skinks. 

 Sclerodermi, 272. 

 Scleropages, 26g. 



Sclerotic bones, gg. 

 Scopelus, see Myctophum. 

 Scopelidae, see Myctophidae. 

 Scorpasnidae, 331. 

 Scorpididas, 271. 

 Scyllium, egg, 314. 



— fossil remains, 254. 



— canicula, 233, 308. 



