430 



INDEX 



Amauris niavius, 346, Fig. 177. 

 Amblyopsis, 183. 



ambulatory appendages of arthro- 

 pods, 246, 247. 



ambulatory legs of vertebrates, 235. 

 Ameghino, 253. 

 amitotic nuclear division, 80, Fig. 36. 



in Copromonas, 83. 

 amnion, 270. 

 Amoeba, 1221, Fig. 2. 

 ,, mitosis in, 79. 

 ,, sensitive to stimuli, 188. 

 Amphibia, geological range, 284. 

 ,, limbs, 235. 



,, origin, 292. 



amphimixis, 146, 171, Fig. 78. 

 ,, and variation, 173. 

 Amphioxus, adult, 266, 267, Fig. 118. 

 ,, early development, 45 



48, 265, Fig. 13. 

 ,, free swimming embryo, 



271. 



,, ovum, 140. 



Amphisbsenidse, 250. 

 Amphitherium, 302. 

 anabolism, 9, Fig. 1. 

 analogy, 235, 217. 

 anatomy, evidence afforded by, 232 



262. 



ancestral history, 229. 

 Anchitherium, 310. 

 Ancon sheep, 154. 

 Andalusian fowls, blue, 200, 201. 

 Andrews, C. W., 312. 

 androecium, 106. 

 anemophilous flowers, 111, 353. 

 Anguisfrdyilis, 250, Fig. 105. 

 animals, compared with plants, 34, 



35. 

 ,, dependent on green plants, 



35. 



anisogamous conjugation, 84. 

 anisogamy in Fucus, 101. 

 Anomodontia, 296. 

 Antarctic continent, 328. 

 anteaters, 333. 



Antedon, hybridization in, 174, 175. 

 ,, recapitulation in develop- 

 ment, 273, 275, Figs. 123, 

 124. 

 antheridia, of Fera, 103, 104, Fig. 51. 



,, Fucus, 100, Fig. 47.. 



antheridial cell of pollen grains, 108, 



Fig. 54. 

 anthers, 107. 



anticryptic coloration, 337. 

 antiquity of man, 422, 423. 



antlers, 125. 

 apatetic colours, 336. 

 apes, Buffon on, 367, 368. 

 ,, and man, Buffon on, 370. 

 ,, ,, ,, Lamarck on, 382. 

 ,, ,, ,, relationship of, 422 



425. 



aphides, parthenogenesis in, 143. 

 Aphrodite, story of, 214. 

 apogamy in ferns, 10j. 

 aposematic coloration, 342. 

 Apteryx, 258, Figs. Ill, 112. 

 Apus, dispersal of, 327. 

 arborescent colonies, 40. 

 Archseopteryx, 300, 305307, Fig. 



151. 

 archegonium, of Fern, 103, 104, 



Fig. 52. 

 ,, ,, flowering plant, 



108. 



architype, 232. 

 Arctic climate, retreat of, 333. 



,, vegetation on Alps and Pyre- 

 nees, 333. 



areas of distribution, 319, 320, 330. 

 Argus pheasant, 349. 

 Aristotle, 163, 385. 

 arm, of man, 237, 238, Fig. 94. 

 armadillos, 333. 

 arrow worm, origin of germ cells, 



130. 



Artemia, chromosomes, 73. 

 Arthropoda, limbs, 246, 247. 

 arthropods and vertebrates, 255. 

 artificially produced characters, 156, 



157. 

 artificial parthenogenesis, 145. 



selection, 395, 396, 410 



413. 

 ,, ,, and fertility, 418, 



419. 



artiodactyl limbs, 241, Fig. 98. 

 Arum, fertilization, 355. 

 Ascaris, chromosomes in, 73. 



,, distinction between somatic 



and germ cells, 166. 

 ,, fertilization of egg, 131, 



Fig. 64. 



,, mitosis, 79. 

 ,, origin of germ cells, 129. 

 ascidian, adult, 277, Fig. 129. 

 ,, degeneration in, 400. 

 larva, 277, Fig. 130. 

 asexual reproduction, in Eudorina, 



91. 



,, ,, in Hydra, 



116. 



