INDEX 



545 



Crustacea, 182, 224, 237, 255, 256; 

 C. isopod, 256, 257-259, 263, 467. 

 Crystalloids, 9-10. 

 Ctenoid fish scales, 349. 

 Ctenophora, 180. 

 Cuvier, 511. 

 Cuvierian organs, 224. 

 Cycads, 294. 

 Cycloid fish scales, 349. 

 Cyclostomes, 320-321, 326-327, 340. 

 Cylaelurus jubatus, 400. 

 Cynomys, 407. 

 Cyprinidae, 354. 

 Cysticercus, 232. 

 Cystoids, 221. 



Cytology vs. Mendelism, 50. 

 Cytoplasm, 62, 66, 81. 



Dahlia, 59. 



Ball, 516, 529. 



Danaus archippus, 289. 



Darwin, Charles, n, 49, 101-114, 

 131, 132, 141, 142, 217, 240, 290, 

 500, 501, 506, 516, 520, 521; early 

 life, 101 ; college life, 103 ; trip 

 on Beagle, 104; invalidism, 105, 

 112, 500; influence of Malthus, 

 107; marriage, 108; scientific 

 labors, no; evolution, works on, 

 110-114; death, 114. 



Darwin, Dr. Erasmus, 101. 



Darwin, Francis, no, 112. 



Dasypus novemcinctus, 409. 



Davis, W.M., 217. 



De Vries, Hugo, 49, 64, 143. 



Dearborn, N., 395. 



Death vs. life, 17. 



Dentalium, 249. 



Determiners, of sex, 45-46, 116, 196. 



Devonian Period, 148, 150. 



Dianthidium, 296. 



Diatoms, 477. 



Diatryma, 379, 381. 



Dickerson, M. C., 363. 



Didymium, 189, 190. 



Difflugia, 191, 192; D. acuminata, 

 191; D. capreolata, 191; D. 

 rubescens, 191. 



Digits, 332. 



Dimorphism, 79, 299; sexual d., 312. 

 Dinonys branicki, 406. 

 Dinornis, 383, 352; D. maximus, 383. 

 Dinosaur, 152, 365-367, 397; D. 



diplodocus, 152, 266, 367. 

 Diplodocus, 152, 266, 367. 

 Diplopoda, 265, 266. 

 Dipneusti, 344. 

 Diptera, 204, 267, 278-279. 

 Disease : eugenics vs., 506-507 ; 



evolution vs., 489-491; history 



vs., 496-498; insecta vs., 279; 



protozoa vs., 199-206. 

 Distribution, geographical, 141, 442- 



446. 



Divisions, geological, 148. 

 Dobson flies ; see Neuroptera. 

 Dogs, foxes, wolves ; see Canidae. 

 Dominants, 44, 117. 

 Dragon flies ; see Odonata. 

 Drosera, n. 



Drosophila, 69, 70, 71, 83, 84, 116. 

 Ducks ; see Anseriformes. 

 Duckbill, 152. 

 Duckworth, W. L. H., 441. 

 Dufour, Leon, 283. 

 Dumas, J. B., 484. 



Eagles ; see Falconiformes. 

 Earthworms ; see Oligochaeta. 

 Echidna (Tachyglossus), 396; E. 



acleata, 397. 

 Echiniscus, 254. 

 Echinodermata, 39, 180, 212, 216- 



225,325; see Asterozoa ; Echino- 



zoa; Pelmatozoa. 

 Echinoidea, 222. 

 Echinozoa, 221, 222. 

 Echinus, 37, 219, 223. 

 Ectoderm (Epiblast), 2IO, 329. 

 Edentata, 407. 

 Eicherax, 278. 



Elasmobranchii, 340, 342-344. 

 Electron, 6. 



Elephant; see Elephas. 

 Elephas, 425-428; E. columbi, 427, 



428 ; E. imperator, 428 ; E. primi- 



genius, 428. 

 Ellis, Max M., 242. 



