INDEX OF GENERA AND SPECIES 
757 
Cyclops prasiniis, 315. 
serrulatus, 315, 400. 
stre7imis, 277, 281, 282, 283, 287, 316. 
varius, 316. 
vernalis, 316. 
viriclis, 292, 294, 316, 326. 
CyclotcUa, 281. 
compta, 269, 333. 
compta, var. radiosa, 269. 
radiosa, 333. 
Cyiiips calecis, 421. 
caput-medusce, 421. 
Cyphoderia, 278. 
ampulla, 326. 
Cypria ophthalmica, 292, 317. 
Cyprinodon calaritanus, 550. 
Cyprinus, 358. 
Cypris fuscata, 317. 
obliqua, 317. 
Cystopteris fragilis, 192. 
Dactylococciis, 332. 
Daphnella, 404. 
Daphnia, 282, 288, 289, 408, 411. 
galeata, 340, 341, 342. 
hyalina, 277, 281, 282, 285, 287, 316, 
400, 403, 406, 415, 416, 418. 428, 
429. 
longispina, 336, 339-346, 424. 
microcephala, 340. 
oUusifrons, 340, 341. 
Dendroccdum lactemn, 318. 
Deschampsia ccespitosa, 183, 193, 230. 
Jiexuosa, 207, 210. 
Desmidium coardatum, 280. 
graciliceps, 280. 
occidentale, 280. 
swartzii, 332, 
Diaphanosoma, 411. 
hrachyurum, 277, 283, 285, 316, 336. 
Diaptomus, 297, 298, 335. 
castor, 297. 
gracilis, 277, 281, 282, 285, 288, 297, 
298, 315, 337. 
graciloides, 287. 
laciniatiLs, 277, 283, 287, 297, 298, 315, 
336, 337. 
laticcps, 277, 287, 297, 298, 315. 
wierzejskii, 277, 283, 287, 297, 298, 
315, 336, 337. 
JDiascMza eva^ 323. 
323. 
/loof^ti, 323. 
lacinulata, 323. 
sterea, 323. 
tenuior, 323. 
tenuiseta, 323. 
ventripes, 323. 
Uiatoma, 255. 
Dichodontium pellucidum, 186. 
DicMeia, 191. 
Dicranella heteromalla, 186. 
squarrosa, 186. 
Dicranum fuscescens, 186. 
scottianum, 186. 
Dictyospherium ehrenhergianum, 333. 
Difflugia, 356. 
Difflugia acuminata, 325. 
arcida, 325. 
hacillifera, 325. 
constricta, 325. 
corona, 325, 
curvicaulis, 325. 
globulosa, 325. 
gramen, 325. 
lanceolata, 325. 
Idbostoma, 325. 
pristis, 325. 
pyriform*is, 325. 
urceolata, 325. 
Diglena circinator, 322. 
dromius, 322. 
/6ro:», 322. 
forcipatct, 322. 
grandis, 322. 
uncinata, 322. 
Dinohryon, 280, 282, 327. 
cylindricum, 327. 
divergens, 327. 
elongatum, 327. 
stipitatum, 327. 
Dinocharis pocillum, 322. 
similis, 300, 322. 
tetractis, 300, 322. 
Diphascon angustatum, 314. 
hullatum, 314. 
chilenense, 314. 
oculatum, 314. 
scoticum, 314. 
spitzhcrgensis, 314. 
Diplopliyllum albicans, 190. 
Distyla dcpressa, 323. 
flexilis, 323. 
Diurella bracliyura, 322. ^ 
porcellus, 322. 
tenuior, 322. 
iJi^ris, 322. 
Docidium undulatum, 330. 
Draparnaldia glomerata, 329. 
Dreissensia, 372. 
polymorpha, 371. 
Drepanothrix dentata, 316. 
Drosera intermedia, 192. 
Dytiscus, 371. 
marginalis, 315. 
Echiniscus arctomys, 314. 
gladicdor, 296, 314. 
granulatus, 314. 
mutabilis, 314. 
oihonnce, 314. 
a inosus, 314. 
reticulatus, 314. 
spitsbergensis. 296, 314. 
wcndti, 296, 314. 
Echinorhynchus proteus, 318. 
Elatine hexandra, 170, 195, 244. 
Elodca canadensis, 301, 328. 
Empetrum nigrum, 192. 
Enter omorpha, 194. 
intestinalis, 191, 217, 250, 252, 329. 
Eosphora digitata, 322. 
najas, 322. 
Ephydra, 542. 
