Index 



characteristics, 454 ; bjgjichial 

 system, 455 ; digestive system, 

 455 ; reproductive system, 455 ; 

 habitat and range, 456; list of 

 localities, 456; type locality, 456. 

 (Phallusia), 442. 



Ascidiae compositae, synoptic descrip- 

 tion of species, 443. 

 simpliees, synoptic description of 

 species, 441. 



Ascidians of the Littoral Zone of 

 Southern California, 439; lists 

 of species, 440 ; synoptic descrip- 

 tions of genera, 441-446; classi- 

 fication and nomenclature, 441 ; 

 Mentula group, 455 ; coincident 

 distribution of related species, 

 470 ; literature cited, 491 ; expla- 

 nation of plates, 494-510; abbre- 

 viations, 512. 



Babesia canis, flagellate forms, 304. 



Bancroft, F. W., on anatomy of 

 Cheylosoma productum, 457, on 

 reproductive system of Distaplia 

 oceidentalis, 467. 



Barnhart, P. S., acknowledgment, 437 ; 

 species named for, 454. 



Behavior, specificity in, 381, 383; 

 methods of study: synthetic and 

 analytic, 381, 382; generic and 

 specific differences, 382-385; 

 periodic change in, in copepods, 

 393. See also Planktonorganisms. 



Berry, S. S., 107. 



Binary and Multiple Fission in 

 Giardia muris (Grassi), 30. 



Binary and Multiple Fission in Hex- 

 amitus, 71. 



Binuclear theory, 190-194; history, 

 187-189; nuclear dimorphism, 

 190 ; chromatin substance, 190, 

 191, 192, 103, 232. See also 

 Hertwig, E. 



Binuclear Theory, of Hartmann, The, 

 and the Kinetonucleus of Flagel- 

 lates, 185. 



Binucleata, parasitic flagellates, sub- 

 ject to pathological conditions of 

 cytoplasm, 185; second nucleus, 

 186; forms included in, 189; criti- 

 cal discussion, 194^195 ; Haemo- 

 flagellata, 19.5-200, Haemospo- 

 ridia, 201-206; objections to 

 order of, 227, 232. See also 

 Haemoflagellata. 



Blepliarocorys Equi, Sp. Nov., A New 

 CiUate from the Caecum of the 

 Horse, 95 ; technique, 96 ; meth- 

 ods of procuring specimens, 96; 

 morphology, 97; dimensions, 98; 

 ectoplasm, 98; endoplasm, 98; an- 

 terior process, 98, function, 98 ; 

 membranelles, 100, movement of, 

 102 ; cilia of aesophagus, 100 ; 

 macronucleus, 101 ; microuucleus, 



101; contractile vacuole, 101; re- 

 production, 102 ; observations on 

 living material, 102 ; systematic 

 status, 103 ; distinguished from 

 B. uncinata, 103 ; differs from B. 

 valvata and B. jubata, 103 ; char- 

 acteristics, 103, 104; literature 

 cited, 104; figures of, opp. 106. 



Blepharocorys jubata, 96, 103; differs 

 from B. equi, 103. 

 uncinata, 103; distinguished from 



B. ectui, 103. 

 unifasciculatum, 96, 103. 

 valvata, 96, 103; differs from B. 

 equi, 103. 



Blepharoplast, definitions of, 193, 207, 

 211, 227, 228. 



Blind goby, 165. 



Bodonidae-Trichonymphidae, develop- 

 ment of parabasal bodies, 215- 

 227. 



Boltenia ovifera, 451. 



Botrylloides, 443. 



diegensis, superficial characteristics, 

 462 ; zooids, 463 ; branchial sys- 

 tem, 463; digestive system, 463; 

 reproductive system, 463 ; habitat 

 and distribution, 463 ; compared 

 with B. purpureum, 464. 



Botryllus, 443. 



tuberatus, superficial character- 

 istics, 461 ; pedunculated mass of 

 ampullae, 461, 462; zooids, 461; 

 branchial system, 461 ; digestive 

 system, 462 ; reproductive system, 

 462; habitat and distribution, 

 462. 



Box-elder bug, parasitic, flagellate in 

 intestinal tract, 1 ; manner of in- 

 fection, 13. 



Caesira (Molgula), 441. 



Calanus, method of food-getting, 172- 

 174; intestinal contents, 180; 

 food needs, 181; figures of, 173, 

 174. 

 finmarchicus, intestinal contents, 

 178. 



Caullery, M., cited on sexual repro- 

 duction in Diplosoma listeri, 475, 

 476; species named for, 478. 



Centriole, in Amoeba hyalina, 251, in 

 A. lacertae, 251; in Naegleria 

 gruberi, 251. 



Centropyxis aculeata, gametic nuclei, 

 190. 



Cercomonas, blepharoplast attachment 

 to nuclear membrane, 211. 



Cetenicella, 447. 



Chelyosoma, 442. 

 productum, 456. 



Chilara taylori, 166. 



Christiansen, Elizabeth B., 23, 30. 



Chromosomes, behavior during sperma- 

 togenesis, 371; number of, in 

 mouse, 371; correlation, for mam- 



[514] 



