INDEX. 



563 



Eisen, G. — Continued. 



On the Anatomy of Sutroa ros- 

 trata, a New Annelid of the 

 Family Lumbriculina, cited, 

 471. 

 on the application of terms 

 gastric and perigastric, 469. 

 on the circulatory system of 



Eclipidrilus frigidus, 474. 

 on the prostate glands of 



Eclipidrilus frigidus, 464. 

 Pacific Coast Oligochaeta. I., 

 cited, 462, 464, 471. 

 eiseni, Diaptomus, 98, 101, no, 115, 

 162, 166, 183. 

 Sparganophilus, 442. 

 Eggs of Aspidiogaster conchicola, 

 404. 

 of Atax, 407, 414. 

 of Cotylaspis insignis, 405. 

 of frogs eaten by Macrobdella 



decora, 511. 

 of Rotifera, 347. 

 of Sacculus, 366. 

 ehrenbergii, Gastropus, 368. 

 eichhornii, Actinosphaerium, 313. 

 322. 

 Stephanoceros, 345. 

 elegans, Callidina, 364. 

 Clepsine, 493. 

 Eudorina, 273, 277, 286, 431, 435, 



437- 

 Plagiola, 401, 403, 406, 409, 410, 



412, 413, 416. 

 Raphidiophrys, 322. 

 Unio, 403. 

 ellipsis, Lampsilis, 401, 403, 405, 

 409, 410, 412, 413, 416. 

 Unio, 403. 

 elinguis, Nais, 443. 

 elliptica, Metopidia, 377. 

 Elodea, 354. 



elongata, Mastigocerca, 371. 

 Embolocephalus, 453, 456. 

 multisetosus, 443. 



Embolocephalus multisetosus 

 -Continued. 

 description of, 452-455. 

 relation of, to other Tubificidce, 

 456. 

 plicatus, 456, 

 velutinus, 456. 

 emissarius, Phreoryctes, 442. 

 Enchelidce, 330. 

 Enchytraeidte, 441. 



found in Illinois, 442. 

 Engstrom, Ella V., 441. 

 Entomostraca, 19, 97, 225, 228, 351, 

 421. 

 species of Rhabdostyla found on, 

 340. 

 Eospora, 370. 



aurita, 324, 370. 

 Epischura, 97, 103, 166, 225, 226, 

 237, 249 251, 267. 

 distribution of, 251. 

 doubtful species of, 265. 



discussion of published 

 figures and descriptions 

 of, 266, 267. 

 eggs of, 228. 

 fluviatilis, 226, 250, 265-267. 



synonymy of, 266. 

 key to the species of, 2.51. 

 lacustris, 228, 229, 249, 250, 251, 

 252, 260-265. 

 associate species and distribu- 

 tion of, 264, 265. 

 compared with E. nevadensis, 

 264. 

 with E. nordenskioldii, 254, 

 255, 256. 

 on descriptions and figures of, 

 263, 264. 

 Limnocalanus, and Osphranti- 

 cum, North American Centro- 

 pagidie belonging to the gen- 

 era, 225-270. 

 nevadensis, 98, 168, 229, 249, 250, 

 251, 256-260, 262. 



