408 



ZOOLOGY 



Psammobiidse, 189. 



Psittaci, 297, 315. 



Psoroptes, 94. 



Pterophoridae, 42. 



Pulex, 70. 



Pulmonata, 160, 161, 164, 165; aquatic, 



166. 



Pumpkin-seed sunfish, 236. 

 Pupa, 16, 165. 

 Pupidse, 385. 

 Pupipara, 61. 

 Purple grackle, 294. 

 Pyralidse, 29, 42. 

 Pyramidellidse, 174. 



Quail, 304. 

 Quadrate, 232. 

 Quiscalus, 294. 



Q 



Raccoons, 328. 



Races of tame mice, 319-320. 



Rails, 305. 



Rana, 265. 



Ranida3, range of, 265. 



Raptores, 298, 315. 



Rat, habits of, 319. 



Rat-tailed maggots, 65. 



Rattlesnake, 278. 



Rays, 252. 



Razor clams, 188. 



Razor shell, 182. 



Red-eyed vireo, 289-290. 



Red-headed woodpecker, 301. 



Reefs: barrier, coral, fringing, 217. 



Redpoll warbler, 288. 



Red-winged blackbird, 293. 



Reduvius, 12. 



Regal moth, 25. 



Regulus, 287. 



Regeneration, of earthworms, 134; flat 

 worms, 153 ; frog's egg, 334 ; Hydra, 

 219 ; lost parts of lobster, 118 ; plan- 

 arians, 154. 



Relationships of earthworms, 132. 



Reproductive capacity of protozoa, 228. 



Reproduction, 332. 



Reptiles, 268. 



Resistance of earthworms, 134. 



Retitelariae, 87, 96. 



Rhea,307. 



Rhinoceroses, 327. 



Rhizopoda, 229. 



Rice bird, 294. 



Rissoida3, 174. 



Robber-flies, 65, 72, 73. 



Robin, 285. 



Rock-eel, 236, 237. 



Rodentia, 320, 331. 



Rodents, 320. 



Rose-breasted grosbeak, 285. 



Rose-bug, 50-51. 



Round worms, 151. 



Routes of bird migration, 309. 



Rove beetles, 47, 57, 58. 



Ruby-crowned kinglet, 285. 



Ruby-throated humming-bird, 302. 



Ruffed grouse, 304. 



Runners, 60. 



Running beetles, 45. 



Running spiders, 91, 96 ; habits of, 89= 



Salmo, 233; skull of, 232. 

 Salmonidae, 230, 231 ; distribution of, 



231 ; spawning of, 231-233. 

 Salamander, 259. 

 Saltigradfe, 90, 96. 

 Sand dollars, 200-201. 

 Sandpipers, 305. 

 Sauria, 268, 280. 

 Saw-fly, eggs of, 40 ; larvae, 39. 

 Saxicavidae, 189. 

 Saxicolidae, 315. 

 Scalariidae, 174. 

 Scale bug, 14. 

 Scale insect, 13. 

 Scaled worm, 148. 

 Scallops, 190. 

 Scaly ant-eater, 323. 

 Scansores, 299, 315. 

 Scaphandridae, 176. 

 Scarlet tanager, 293. 

 Scavengers, Diptera, 72; Lamelli- 



corns, 50. 



Schizopod larva, 116. 

 Schizoneura, 14. 

 Scolopendra, 75, 76, 78. 



