INDEX 



485 



arthenogencsis, 215; artificial, 283; 



variation in animals produced 



by, 155. 

 asteur, 13. 



attorn, in animals, 39S. 

 earson, Karl, 185. 

 elecanus eryUirorhynchus (illus.), 



20. 

 slican, brown (ilhi.s.), 329; white 



(illus.), 20. 

 eneus potimirium, development of 



(illus.), 232. 

 eronea cristana, variation in wing 



pattern of (illus.), 148. 

 dromi/zon fluviatilis, fertilization 



of (illus.), 219. 

 ha)ieus mexicanus (illus.), 72. 

 tieasant, Argus, male and female 



(illus.), 75. 

 hlegethontius Carolina, larva of 



(illus.), 418. 

 hrynosoma blainevillei, pineal eye 



of (illus.), 176. 

 byla, of animals, 33. 

 hylliwn (illus.), 413. 

 hyllopteryx (illus.), 415. 

 hysalia, commensal life with No- 



vicus (illus.), 372. 

 hysiological units of Spencer, 250. 

 iddock (illus.), 39. 

 igeons, races of (illus.), 87. 

 impla conquisitor, laying eggs in 



cocoon (illus.), 359. 

 ipa atnericana (illus.), 43. 

 ipofish (illus.), 415. 

 itiiccanthropus crcdus, 462; remains 



of (illus), 463; (illus.), 464. 

 lanaria Iwjtihris, regeneration of 



(illus.), 285; (illusO, 286. 

 lants, living symbiotically with 



animals, 376; number of, 16; 



parasitic, 362. 

 late, L., 77. 

 lateau, 424. 

 lum and its parent (illus.), 93; 



plumcot, types of (illus.), 92; 



seedlings from (illus.), 92. 

 82 



Plums, Burbank's work with. OJ 



Podocoryne carnca (illus. j, 373. 



Polar bodies (illus.), 270. 



Polyp, fresh water (illus.), 35. 



Polyps, commensal life with her- 

 mit crab (illus.), 373; (illus.), 

 374. 



Poppies, Burbank's work with Cil- 

 lus.), 99. 



Potato, Burbank, 91, 92. 



Poulton, E. B., 408, 419, 423, 424, 



Prawn (illus.), 365; stages in de- 

 velopment of (illus.), 232. 



Preformation, 276; theory, 249. 



Prenatal influences, 167. 



Pressure of atmosphere in relation to 

 ajiimal life, 40. 



Primates, 454; cla.ssifieation of, 455. 



Primroses, evening, de Vries' work 

 on, 157. 



Prophase, defined, 254. 



Protista, 32. 



Protophyta, 32. 



Protoplasm, chemistry of, 27; phys- 

 ical structure of, 28, 247. 



Protozoa, 32; parasitic, 354; re- 

 production of colonial, 216. 



Pterophryne histrio (illus.), 410. 



Pterichthyodes milleri (illus.), 305. 



Pygosteus, 207. 



Pyrus japonica, seedlings of (illus.), 

 95. 



Quadnimana, 458. 

 Quail, California (illus.), 15. 

 Quetelet, 140, 141. 

 Quince, Japanese, seedlings of (il- 

 lus.), 95. 



Radl, E., 428. 



Raja hitwcidata, egg case of (illus.), 



337. 

 Rambur, 13, 14. 

 Rat. kangaroo (illus. \ 13. 

 Rattlesnake, diamond (illus.), 1(). 

 Realm, arctic, 318; Australian, 322; 



holarctic, 319; Icmurian, 322- 



