Index 



Calanus, 12. 



fiiimarchicus, 6 ; reactions of. 22- 

 41; phototropism, 23-31, 38-39, 

 66-67, 69, 70; explanation of 

 terms used, 25-27, 38, 39, 69, 70, 

 73, 74; geotropism, 26, 31-37; 

 physiological rhythm in, 37-38. 

 Calkins, G. N., 86, 237, 238; cited, 228, 



249. 

 Calliphorinae, 191. 

 Captivity, effect of, on phototropism 



of amphipods, 66. 

 Carothers, E. E., cited, 250. 

 Carpodacus mexicanus frontalis, 197. 



purpureus californicus, 197. 

 Carter, H. J., quoted, 202; cited, 217, 



235, 238. 

 Centropyxis aculeate, 249. 

 Ceratophyllus fas»iatus, 137, 139. 

 Cercaria, Excretory System of a 

 Stylet, 275-281. See also Cer- 

 caria polydena; Echinostoma revo- 

 lutum. 

 acanthostoma, 356, 357, 358. 

 armata, 278. 



biflexa, 356, 357, 358, 361, 362. 

 chisolenata, 356, 357, 358. 

 complexa, 359, footnote. 

 distomatosa, 346. 

 douglasi, 356. 

 douthitti, 352, 356. 

 emarginatee, 356. 

 isoeotylea, 279. 

 mutabile, 346. 

 pectinate, 361. 



polydena, excretory system of, 275- 

 281; description of, 275-276; 

 probable development of, 276; 

 comparison with excretory sys- 

 tems of other distomes, 278-279. 

 294; discussion of observations, 

 279-280; figure showing, 277; 

 cited, 360. 

 reflexa, 361. 

 stilifera, 280. 



trisolenata, 356, 357, 358, 361. 

 trivolvis, 348, 361. 

 Oercariaeum mutabile, 360. 

 Cercomonas, 235. 



crassieauda, 237. 

 Ceylon, occurrence of Sphaeroma tere- 

 brans, 304. 

 Chaetonotus, 206. 

 Chagas, C, 140, 236. 

 Chamberlin, B. V., 389. 

 Charcoutte, acknowledgment to, 337. 

 Chatton, E., quoted, 246, 249; 247, 



248. 

 Chatton, E., and Leger, A., 137. 

 Chelura, 309. 

 Chilomonas, 206. 



paramoecium, 249. 

 Chlamydomonas, 206, 221. 



Chloraster, 236. 



Chlorella, 206, 215, 218-219, 220. 



Chloromonadinae, 236. 



Christiansen, E. B. See Kofoid and 

 Christiansen. 



Chromomonadina, 236. 



( 'hrysomonadineae, 236. 



Chun, C, cited, 88. 



Cienkowski, L., 328. 



Ciliates, motor apparatus, 406-411. 



( fimicidae, 137. 



Closterium, 206. 



Coehlodinium, 320. 

 cava turn, 321, 324. 



Coleochaete, 206. 



Coleps, 206. 



Collodictyon triciliatum, Binary Fis- 

 sion in, 201-274; description of, 

 202-204; plates showing, 260- 

 274; sources of material, 204; life 

 cycle of, 205 ; technique of ex- 

 periments, 207-209; morphology 

 of, 209-219: cytoplasm, 215, 

 nucleus, 215, protoplasm, 216, pro- 

 toplasmic vacuoles, 216, contrac- 

 tile vesicles, 217, sulcus, 218, 

 blepharoplast, 218, figure show- 

 ing pseudopodia, 210 ; habits and 

 activities, 219-221; figures show- 

 ing food inclusions, 211, 213, opp. 

 264 ; mitosis, 221 ; resting stage, 

 221, karyosome, unequal constric- 

 tion of, 223, mitosis, 224, 241- 

 250, prophase, 226, figures show- 

 ing, opp. 266, 268, and 274. mete- 

 phase, 227, figures showing, opp. 

 270, 274, anaphase and telophase, 

 231, figures showing, opp. 270, 

 272, and 274; kinetic membrane, 

 226, 250; summary of observa- 

 tions, 232, discussion, 234-254: 

 of classification and relationship. 

 234r-239 ; of parasitism or sym- 

 biosis, 239; of inheritance in 

 binary fission, 252-254; of two 

 kinds of chromatin, 254; general 

 summary, 254; cited, 322. 



Colpidium, 447 ; as a food found in 

 Collodictyon triciliatum, 206, 221; 

 figure showing, opp. 264. 



Comparison of the Life Cycle of 

 Crithidia with that of Trypano- 

 soma in the Invertebrate Host, 

 135-190. 



Copromonas subtilis, 242. 



Coreidae, 137. 



Core-thra, 12, 66. 



Cort, W. W., 275, 283; acknowledg- 

 ment to, 192, 338. 



Corvus brachyrhynchos, 198. 



Cosmarium, 206. 



Costia, 213, 236. 



Costiopsis, 236. 



