468 



TUFTS COLLEGE STUDIES, VOL. II, No. 3 



Coelastrum, 171, 305. 



cambricum, 173. 



microporum, 172. 

 v. speciosum, 172. 



proboscideum, 172. 



reticulatuni, 173. 



sphaericurn, 172. 

 Coleochaetaceae, 312. 

 Coleochaete, 281, 312. 



divergens, 314. 

 v. minor, 314. 



irregularis, 313. 



Nitellarum, 313. 



orbicularis, 314. 



pulvinata, 314, 315. 



scutata, 314. 



soluta, 313. 

 Collinsiella, 141. 



tuberculata, 141. 

 Conferva, 93, 95, iSr, 192. 



aerea, 324. 



amoena, 193. 



antillanun, 97, 



bornbycina, 96. 

 f. minor, 96. 

 f. tenuis, 96. 



brachyarthra, 324. 



cartilaginea, 361. 



centrifuga, 97. 



Chamissonis, 360. 



coalita, 361. 



collabens, 369. 



diffusa, 346. 



duriuscula, 358. 

 fascicularis, 345. 



floccosa, 194. 



glomerata, 345. 



Li n ii in, 325. 



melagonium, 323. 



Mertensii, 360. 



minor, 97. 



pachydernia, 193. 



sax at His, 360. 



scitula, 341. 



serpcns, 97. 



sesquipedalis, 97. 



umbilicata, 366. 



utriculosa, 97. 



viminea, 360. 



Yonngana, 368. 

 Confervaceae, 92. 

 Confervales, 91, 92. 

 Conjugales, 90, 91, 101. 

 Conjugata, 107. 



longata, 118. 

 Corniculatae, 422. 



Corona inferior, 378. 

 Corona superior, 378. 

 Craterosperinuvi ', 121. 



laetevirens, 125. 

 Crucigenia, 170. 



apiculata, 170. 



crucifera, 170. 



rectangularis, 171. 

 Cruoria, 147. 

 Cyclops, 150. 

 Cylindrocapsa, 222. 



amoena, 222. 



gemmella, 222. 

 Cylindrocapsaceae, 222. 

 Cymopolia, 382. 



barbata, 383. 



mexicana, 383. 



rosarium, 383. 

 Cystococcus, 305. 



hunricola, 143. 

 Cystodictyon. 366. 



pavonium, 366. 

 Dactylococcus. 



De -Baryanus, 150. 

 Dactylothece, 307. 



coufluens, 307. 

 Dasycladaceae, 377. 

 Dasycladus, 383. 



clavaeformis, 383. 



occidentalis, 384. 

 Debarya, 119. 



glyptosperma, 120, 124. 

 Derbesia, 406. 



Lamourouxii, 407. 



marina, 407. 



tenuissima, 406, 407. 



vaucheriaeformis, 406. 

 Derbesiaceae, 406. 

 Dermatophyton, 285. 



radians, 285. 



radicatis, 285. 

 Desmidiaceae, 80, 101. 

 Desmotrichuni. 



undulatum, 279. 

 Dichotomosiphon, 394, 430. 



pusillus, 431. 



tuberosus, 431. 

 Dictyocystis, 175. 



Hitchcockii, 175. 

 Dictyosiphon, 284. 

 Dictyosphaeria, 367. 



favulosa, 367. 

 Dictyosphaerium, 173. 



Ehrenbergianurn, 174. 



Hitchcockii, 175. 



pulchellum, 174. 



