454 



Index 



Silky fowl, 132. 



Silvestri, 410, 411. 



Simocephalus, 342-345, 383, 384. 



Siredon, 315. 



Skin, 12. 



Snails, 139-141, 160, 165. 



Solenobia, 374. 



Spathegaster, 270, 271. 



Spencer, H., 51, 52, 62, 243, 245. 



Spermatozoon, 178-183, 417. 



Sphserechinus, 175, 176, 179, 180. 



Spirographis, 265. 



Sponge, 258, 368. 



Stag, 432. 



Standfuss, 16, 21, 22, 23, 24, 44, 166, 226- 



227. 



Staples-Browne, 136. 

 Starratt, 13, 14. 

 Stenorynchus, 438. 

 Stereotropism, 266. 



Stevens, 266, 326, 335, 401, 403, 406, 416. 

 Stieda, 392. 

 Stimulants, 256-257. 

 Strasburger, 178, 414. 

 Strongylocentrotus, 175, 176, 180. 

 Struthers, 118. 

 Sutton, 401. 



Tadpole', 251, 255, 257, 258, 260, 263, 



287, 298, 301. 

 Tanager, 430. 

 Tanner, 356. 

 Tatus,a, 412. 

 Tegetmeier, 440. 

 Telea, 301. 

 Telegony, 59. 

 Tenebrio, 403. 

 Tenthredinidae, 357. 

 Tephrosia, 153-154. 

 Tetraneura, 331. 

 Thomson, 367, 387-388. 

 Thorndike, 412-413. 

 Thury, 393. 

 Tiger, 157. 

 Toad, 248. 

 Toe, 124. 

 Torelle, 181. 

 Tornier, 304. 



Tortoiseshell cats, 113-115. 

 Tosa fowl, 130-132. 

 Toyama, 149-151. 

 Transvaal, 38. 

 Treat, 376. 

 Trematodes, 374. 



Trembley, 285, 288, 290. 

 Trichinae, 268. 

 Trigonaspes, 269. 

 Triton, 174, 299. 

 Trout, 263. 

 Tschermak, 67. 

 Tubularia, 259, 268, 288. 

 Tumbler pigeons, 135. 

 Turnspit dog, 209. 

 Tutt, 153-154. 

 Twins, 411-413. 



Uniform coat rabbits, 109. 



Vanessa, 313, 376. 

 Vanessa antiopa, 17, 18. 

 Vanessa atalanta, 17. 

 Vanessa cardui, 16. 

 Vanessa io, 37. 



Vanessa levana-prorsa, 16, 24. 

 Vanessa polychloros, 39. ( 



Vanessa urticae, 34, 358. 

 Variation, fluctuating, 198-203. 

 Vernon, 174, 264. 

 Verworn, 62. 



de Vries, 45, 46, 47, 62, 64, 112, 159, 160, 

 167, 170, 209, 214, 217-221, 404. 



Wallace, 430, 443, 444, 446. 



Warren, 207, 345. 



Watase, 426. 



Weber, 410. 



Weismann, 51, 52, 55, 59, 62, 188, 248, 



250, 281, 315, 337-341, 35, 3 8 4, 404, 



4i5- 



Weldon, 204-205. 

 Westphal, 54. 

 Wetzel, 300. 

 Wheeler, 235, 408. 

 Wiesner, 62. 



Wilson, E. B., 401, 402, 403, 406. 

 Woodruff, 321. 

 Wyandotte fowls, 121. 



Xenia, 61. 



Yung, 255, 258, 262, 263, 264, 265, 381, 

 382. 



Zaky, 257. 

 Zebra, 158. 

 Zeleny, 282. 

 Ziegler, 418-419 



