INDEA' 



505 



PostenilDi\\'onic de\'olopniont of tlic 



frog, 455. 

 Posterior, 2. 

 Potato beetle, 01. 

 Potato "worm," 41. 

 Poultry, domesticated, 425. 

 Prairie dog, 447. 

 Prawns, 138. 

 Pra^'ing inantises, 17. 

 Primates, 449. 

 Proboscis, 32, 293. 

 Prong-horn, 445. 

 Proniethia moth, 43. 

 Protection of birds, 417 ; lobster, 135. 

 Protecti\'e roseniljlance, 35, 37, 3S. 

 Protista, 280 ; cause of diseases, 281 ; 



parasitic, 281. 

 Protophyta, 280. 

 Protoplasm, 1, 469. 

 Protozoa, 280 ; discovery of, 282, 



465 ; origin of, 2N2 ; 



in, 282. 

 Psittaci, 397. 

 Pulmonata, 210, 213; 

 Pumpkin-seed sunfish, 

 Pupa, 31, 32, 214. 

 Purple grackle, 405. 



reproduction 



aquatic, 214. 

 313. 



Quadrate, 304. 

 Quail, 395. 

 Quedius, 95. 

 Queen bee, 50. 



Q 



R 



Ral)l5its, 424, 446, 448. 



Raccoons, 446. 



Radii of echinoderms, 239. 



Radula, 201. 



Rail, 393. 



Ranida;, 347. 



Raptorcs, 396. 



Rat, distribution of, 430 ; habits of, 



431 : systematic position of, 432. 

 Rattlesnakes, 366, 367. 

 Rav, John, 462. 

 Rays, 322. 

 Razor-clanis, 231. 

 Recessive, 429. 

 Red-eyed vireo, 409. 

 Red-headed woodpecker, 401. 

 Redstart, 410 ; migration of, 373. 

 Red-winged blackbird, 406. 

 Reefs, jjarrier, 277 ; coral, 277 ; 



frmging, 277. 

 Regeneration, 454 ; earthworms, 170 ; 



of annelids, 

 of echino- 



flatworms, 191; hydra, 270; lost 

 Iiarts in t'l-ustaeea, 149; nonicr- 

 teans, 190. 



Reproduction by trans\'erse di\'i- 

 sion, 173 ; in the cricket, 8 ; 

 in mammals, 3X7 ; in l^rotozoa, 

 283. 



Reproductive ducts, 2. 



Reproductive organs, 

 166; of birds, 387; 

 derms, 244 ; of fish, 307 ; of frog, 

 334; of lobster, 125; of mam- 

 mals, 437 ; of lizard, 3.54. 



Rei.tiles, 350. 



Respiration, in annelids, 164 ; cricket, 

 (i ; fish, 305 ; lobster, 122 ; organs 

 of, in frog, 332 ; mammals, 430 ; 

 lizard, 354. 



Rhea, 391. 



Rhinoceros, 445. 



Rhizopods, 284. 



Rice-lrird, 406. 



River faunas, origin of, 225 ; study of, 

 223. 



River nioUusks, 225. 



Roliber-flies, 82. 



Robin, 413. 



Rock eel, 314. 



Rodentia, 447. 



Roof rat, 430. 



Rose-breasted grosbeak, 407. 



Rose-bug, 70. 



Rotifers, discovery of, 465. 



Round worms, 191. 



Ruby-throated humming-bird, 401. 



Running beetles, 62. 



Running birds, 391. 



Running spiders, 109. 



Salamander, 93, 340. 

 Salmon, 304, 310. 

 Salmonida-, 309. 

 Sand-dollars, 256. 

 Sandpipers, 393. 

 Sandworm, 185. 

 Sauna, 351, 356. 

 Sawflies, .59. 

 Scale, 29. 

 Scale-bugs, 24. 

 iScaled-worms, 187. 

 Scallop, 235. 

 Scaly ant-eater, 441. 

 Scarabidie, 69. 

 Scarlet tanager, 408. 

 Schleiden, 409. 

 Sehultze, 469. 



