INDEX 
Abraxas, 153. 
Accessory chromosome, 402-406. 
Acherontia atropos, 36. 
Adaptation, 229-232. 
Adler, 269-271, 358. 
Age, 391. 
Ageniaspis, 410. 
Aglia, 227. 
Albino rabbits, 106-108; rats, 111-113; 
man, 117. 
Allen, 83, 88, 215, 223. 
Allolobophora, 298. 
Amblystoma, 315, 316. 
Amphibians, 246. 
Amphioxus, 317. 
Ancon ram, 209. 
Andalusian fowl, 127. 
Andrews, 377. 
Anikin, 41. 
Annelids, 368. 
Anodonta, 268. 
Anolis, 13, 14. 
Antedon, 177. 
Antennularia, 266. 
Antlers, 430. 
Ants, white, 317-319. 
Aphids, 207, 219, 273, 311-312, 322, 324- 
334- 
Arctiidae, 29. 
Argynnis, 313. 
Artemia, 18, 40, 41, 336-337. 
Artom, 337- 
Aseel, 135 
Aspergillus, 257. 
Asplanchna, 350. 
Asterias, 179. 
Axolotl, 315, 316. 
Azora, 412. 
Bacillus, 374. 
Bacot, 153. 
Balbiani, 320, 324-326, 381. 
Baldwin, 231. 
Balfour, 397. 
Bantam, 130-132. 
Barb, 135. 
Barfurth, 255. 
Bateson, 49, 82, 83, 84, I1I-113, 121, 
127, 164, 414. 
2G 
Bats, 431. 
Beard, 413, 414. 
Beclard, 264. 
Bee, 269, 320, 351-356, 358. 
Beetles, 151-153. 
Bell, 60, 116, 377-378. 
van Beneden, 397. 
v. Berlepsch, 353. 
Berner, 392. 
Bessels, 377. 
Beyerinck, 272-274. 
Bidder, 392. 
Birds, 248. 
Birth rate, 365. 
Bison, 158. 
Blanc, 262. 
Blending, 156. 
Blochmann, 331-332, 416. 
Blumenbach, 363. 
Boas, 317. 
Bodio, 365. 
Bombyx, 378, 395- 
Bombyx neustria, 29. 
Bonnet, 311, 322. 
Bordet, 178. 
Born, 173, 287, 298, 382. 
Botrytis, 257. 
Boulanger, 392. 
Boveri, 175, 176, 177, 408-409. 
Branchippus, 40, 41. 
Brauer, 342. 
Braus, 302-304. 
Breslau, 392. 
Briggs, 377- 
Brocadello, 394, 395- 
Brown-Séquard, 52, 53, 54, 55 
Bufo, 173-174, 260, 299. 
Buffon, 213. 
Buller, 178, 179. 
Bumpus, 211. 
Butschinsky, 41. 
Caddis flies, 374. 
Cagliari, 337. 
Calkins, 312-313, 320. 
Callema, 37. 
Calliphora, 379-380. 
Callosamia, 301, 440-441. 
Calotermes, 318. 
449 
