INDEX 



"Acinetea," 486. 



Acknowledgments, vii. 



Amphidinium, 124;' organology, 

 125; coloring, 128; distribu- 

 tion, 128; subgenera of, 131; 

 key to species, 131. 



aculeatum, 132. 



asymmetricum, 133. 



corpulentum, 134. 



crassum, 13.5. 



cucurbita, 136. 



cucurbiteUa, 137. 



dentatum, 138. 



discoidalis, 139. 



emarginatum, 140. 



fastigium, 140. 



galbanum, 141. 



plobosum, 142. 



herdmani, 143. 



klebsi, 144. 



lacustre, 145. 



lanceolatum, 146. 



longum, 146. 



operculatum, 147. 

 var. discoidaUs, 139. 

 var. emarginata, 140. 



ovoideum, 148. 



pacificum, 149. 



rotundatum, 1.50. 



scissum, 1,^0. 



steini, 152. 



sulcatum, 153. 



truncatum, 154. 



turbo, 155. 



vasculum, 156. 



Aniphidinium, subgen., 131. 



Arenaciphilous mierofauna and 

 flora, 95. 



Bergh, R. S., 102. 



Binary fission, 19, 60. 



Blastodinium crassum, tropliocyte 

 in, 21. 



Ceratium hirundinella, binary fis- 

 sion in, 19. 

 tripos, binary fission, U). 

 Chromritojihores, 47. 



Chytriodinium, 229. 

 Claparede and Lachmann, 101. 

 Classification of the Dinoflagellata, 

 system of, 106. 



Cochlodinium, 342; organology, 

 342; color, 344; distribution, 

 345; historical discussion, 348; 

 subgenera of, 348; key to 

 species, 350. 



archimedes, 351. 



atromaciilatum, 352. 



augustura, 354. 



catenatum, 355. 



cavatum, 35'6. 



cereum, 357. 



citron, 358. 



clarissimum, 359. 



conspiratum, 361. 



constrictum, 362. 



convolutum, 363. 



dlstortum, 364. 



elongatum, 366. 



faurei, 366. 



geminatum, 368. 



helix, 370. 



lebourae, 371. 



lonr/iim, 315. 



miniatum, 372. 



pellucidum, 374. 



pirum, 374. 



pulcliellum, 376. 



radlatum, 377. 



rosaceiim, 379. 



schuetti, 380. 



scintillans, 381. 



strangulatum, 382. 



turbineum, 383. 



vinctum, 384. 



virescens, 386. 



volutum, 387. 



Cochlodinium, subgen., 348. 



( 'ollcrtions and material, 4. 



Coloration, 37. 



Colors, system of nomenclature, 6. 



Comparative organology, 55. 



Cytoplasmic differentiation, 36. 



Cytostome, 50. 



Derivation, 82. 



Diniferidae, key to tribes, 108. 



Diniferidea, 108. 



Dinoflagellata, brief outline of, 8; 

 classification, 106; key 'to 

 orders, 108. 



Diplodiuium, 232. 



Dissodiniuni, 232. 



Distribution, 94; seasonal, 97; 

 local, 99. 



Ehreuberg, C. G., 101. 

 Encystmeut, 72. 



Erythropsis, 477; description, 478; 

 historical discussion, 481; prod 

 of, 12; species and distribu- 

 tion, 485; key to species, 487. 



agilis, 487. 



cochlea, 489. 



cornuta, 491. 



extrudens, 494. 



hirtu-if/i, 487. 



hlspida, 499. 



labrum, 501. 



minor, 503. 



pavillardi, 505. 



richardi, 508. 



scarlatina, 510. 

 Erythropsis, subgen., 487. 



Evolution of dinoflagellates, struc- 

 tural, 89; nutrition and, 91. 

 Evolutionary develojiment, 77. 



Form and size of flagellates, 8. 

 Furrows of the body, 13. See also 

 Girdle. 



Girdle, structural feature, 14. 

 GJenodinium roscolum, 250. 



uherrimum, 264. 

 GJiiphiilium marinum, 119. 

 Glyphodinium, subgen., 349. 

 Gymnodiniidao, 120; key to genera, 



121. 

 Gymnodinioidae, 109; discussion, 



109; key to families. 111. 



[535J 



