540 PRIMARY FACTORS OF ORGANIC EVOLUTION. 



tilation and injuries, 399, 431 ; of 

 nutrition, 423; of regional influ- 

 ences, 435, 440. 



Insecta, 213, 226. 



Insectivora, 136, 140, 143, 305, 332, 336, 

 361. 



Intelligence, animal, 500, 504. 



Introduction, ±. 



Jschyroinys typus, Leidy, 351. 



Ismenia, 178, 179. 



Isolation, 387. 



Isospondyli, 103, 106. 



Jackson, R. T., 10, igi, 261, 520, 531. 

 Jaeger, 10. 



Japanese spaniel, 60. 

 Java, 160. 

 Java man, i6g. 

 Jayne, H. Dr., 60. 

 Jordan, Dr., loi. 

 Joseph, Dr., 242. 

 Judgment, 504, 506. 

 Juglans nigra^ 466; J. regia, 466. 

 Jura, 122, I3P, 140, 142, 143, 184, 188, 

 417, 418, 419, 420, 421. 



KataboHsm, 481. 



Kinetobathmisnit 485, 



Kinetogenesis, 225, 246,287,375,496; 

 in Mammalia, 288; in Mollusca, 

 255; of muscle, 249; objections to 

 the theory of, 375 ; of osseous tis- 

 sue, 275; under impact and strain, 

 519; under use in Vermes and Ar- 

 thropoda, z68 ; in Vertebrata, 275. 



Kingsley, J. S., 89, 213. 



Koelliker, Dr., 285, 331, 377, 381. 



Kowalevsky, 323. 



Ktikenthal, 333. 



Lacerta inuralis, 45, 195; L.nt.albi- 

 ventrzSf 46 ; L. jji. cantpestris^ 46 ; L. 

 nt, Tiiaculosiriata, 46; Z. m.^unctti^ 

 latofasciata, 46; L. 7ft. reticulata, 

 46 ; L, m. striatomaculata, 46 ; L. m. 

 tigris, 46. 



Lacertilia, 88, 116, 120, 121, 122, 123, 

 218, 314, 372. 



Lamarck, 2. 5i 7. 8, 12, 14, 241, 387, 

 497. 



Lamellibranchs, 261. 



Lankester, E. R., 71, 113. 



Laramie, 139. 



Larvacea, 215. 



Law of the unspecialized, 172. 



Law, Prof., 431. 



Lawrence, 426, 427. 



Laws of organic evolution, 3. 



Laws of structural relations, 19. 



Leidy, Professor, 351. 



Leviur collar is, 326. 



Lemuridae, 155, 328, 339, 356, 469. 



Lemuroids, 157. 



Lemurs, 61, 150, 154, 155, 156. 



Leperditia, 262. 



Lepidoptera, 203, 204, 237, 440, 441. 



Leporidae, 348. 



Leptodactylus peniadactylus, Laur., 



390. 

 Lepus, 351, 361 ; L, sylvaticus, 53. 

 Lern^a branckialis, 212. 

 Lernaeapoda, 212. 

 Lesshaft, 277. 

 Lifege, 160. 



Life,, definition of, 513. 

 Light effect, of, on flatfishes, 238. 

 Lima, 266. 

 Limbs, moulding of articulations of, 



287; vertebrate segmentation of, 367. 

 Line of the pisces, 99. 

 Lingula, 176, 177. 

 Liocephalus, 391. 

 Liopeplum, 260. 

 List of papers by American authors 



on the law of kinetogenesis, 528. 

 Litopterna, 357, 359. 

 Lituites, 414 

 Loeb, 455. 



Lohest, 160, 161, 165, 166, 168, 170. 

 Lophiodontidae, 355. 

 Lophobranchii, 105, io6. 

 Louisiana, 50. 

 Loup fork, 139, 148, 315. 

 Lucius estor, 21 ; L. nobilior, 21 ; L. 



verjmculatus, 21. 

 Lytoceratinae, 190. 



Macacus, 391. 

 Machrauchenia, 359. 

 Mackenzie River, 50. 

 Magas, 178, 179. 

 Magasella, 179. 



