hides 



Endogenous building, 139 ; in Crithi- 

 dia euryophthalmi, 15.3-162, 179; 

 illustrated, opp. 182. 



Endomixis, in the Protozoa, 86. 



Environment. See Migration; Oceanic 

 environment. 



Erismatura jamaicensis, 337. 



Erythropsis, 318, 329. 

 agilis, 322. 324-. 

 extruilens, 321. 

 , Essenberg, C, 85. 



Esterly, C. O., 1. 



Ethmostigmus cooranus, 392. 



Eucalanus elongatus, ii; reactions of. 

 41-69; phototropism in, 42^13, 

 44, 69; geotropism, 43-44, 69, 73. 



Euglena, 206, 212, 214, 219, 230, 235, 

 -ii'."".. 

 gracilus, 240. 

 minima, 221. 



Eugleninae, 236. 



Euglenoidea, 235, 236, 237. 



Euplotes charon, 206. 



harpa, 110, 424. 426, 446. 

 patella, 206; motor apparatus, 409- 

 412, 424 passim; good subject for 

 microdissection studies, 417, 41S; 

 organelle movements, 4L's, 1 1 t 

 passim. Experiments on by 

 microdissection, 431-444: pellicle, 

 431, 449; fibrillar system, 432- 

 435. 449, 451 passim ; tran- 

 sections, 435-439, 447; excisions 

 439-441; incisions, 441-444, 452; 

 discussion of nervous elements. 

 454-456; summary of conclusions, 

 456-457. 

 vannus, 424, 426. 

 worcesteri, 410, 424, 425, 126. 



Europe, occurrence of Collodictyon 

 triciliatum, 204. 



Euryophtlialmus, 138. 



eonvivus, 137. 138, 140, 170; diges- 

 tive tract, 142; migration of cri- 

 thidias in, 171. 



Everett, Mrs. E. P., 198. 



Ewald, W. F., cited, 10; 30. 



Excretory System of a Stylet Cer- 

 caria, 275—281. See also Cercaria 

 polvadena. 



Faecal examination, method of, 88. 



Pantham, H. B.. and Porter, A., 138. 



Faure-Fremiet, E., cited, 324. 



Faust, E. C, cited, 279, 280, 356, 358, 

 359, 361. 



Fission. See Binary fission ; Multiple 

 Fission. 



Flagellates, cycles in life history of. 

 86-87. See also Parasites. 



Flemming, W., cited, 246. 



Fly larvae, blood-sucking, 191-200. 



Fraipont, J., 360. 



France, R., 203, 210; cited, 217, 219, 

 220, 221; quoted, 236, 238, 239. 



Franz, V., quoted, 13, 72. 



Froelich, C, 368. 



Pulica amerieana, 337. 



Gammarus, 7. 



Garrison, P. E., and Leynes, R., cited, 

 369. 



Gastrodiscus aegyptiaeus, 340. 



Gastrothylax gregarius, 340. 



Geotaxis, factor in plankton diurnal 

 migration, 10. 



Geotropism, factor in diurnal migra- 

 tion of plankton, 7, 10, 12; phy- 

 siological rhythm in, 37 ; relation 

 between, and diurnal migrations, 

 72 ; influence on, of varying in- 

 tensity of light, 73 ; of change in 

 direction of light, 73; in connec- 

 tion with temperature and salin- 

 ity, 74; in vertical movement, 74. 

 See also Acartia clausi ; Acartia 

 tonsa; Calanus finmarehieus; 

 Eucalanus elongatus; Labidocera 

 trispinosum ; Metridia lucens; 

 Sagitta bipuuctata. 



Gerstaecker, A., and Ortmann, A. E., 

 300. 



Giardia, sex in, 110 ; development of, 

 arrested in rat. 117-118; 213. 

 mtestinalis, 87, 131; cycle of enevst- 

 ment in, 105-107, 132'. 

 muris, 113, 121. 



Giardia microti, Studies in, 85-134; 

 cycle of encystment in, 86-107, 

 114, 119; development of, within 

 cyst, 108-119 ; binary fission, 110, 

 119; multiple fission, 113, 119; 

 vegetative phase in, 119; figure 

 showing cysts of, opp. 134; para- 

 basal bodies, function of, 120- 

 125. See also Giardiasis; Para- 

 basal bodies; Parabasal plasm; 

 Binary fission. 



Giardiasis (lambliasis) of man, 107; 

 126; of rats, therapeutic value of 

 bismuth treatments of, 126-132. 



Gliiser, H., cited, 249. 



Globicella, 329. 



Glycogen, secretion of, 123, 125. 



Goldschmidt. R., cited, 242. 



Goniomonas, 235. 



Gouium, 206, 220. 



Gregory, L. H., 86. 



Grinnell, J., acknowledgment to, 337. 



Groom, T. T., and Loeb, J., quoted, 7. 



Gvmnodiniidae, 317. 



Gynmodinoidae, 323, 329. 



Gymnodinium palustre, 322. 

 "pseudonoctiluca, 321, 322, 326. 

 zachariasi, 321. 



Gymnophallus somateriae, 360, 361. 



Gyrodinium, 320. 



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