556 



INDEX. 



Ccelopus — Continued. 

 porcellus, 372. 



seasonal distribution of, 352. 

 tenuior, 372. 

 Ccelostoma australe, C. immane, 

 and C. rubiginosum, Fuller's lo- 

 cation of, 390. 

 cceruleus, Diaptomus, 99, 101, 107. 



Stentor, 313, 334, 348. 

 Cohn, F., Observations surles Vol- 

 vocinees, cited, 285. 

 Ueber eine neue Gattung aus 

 der Familie der Volvocineen, 

 cited, 283. 

 Colepinae, 330. 

 Coleps, 330, 421. 

 hirtus, 312, 331. 

 Collared monads, 328. 

 Coluridae, 359, 376. 

 Colurus, 376, 377. 

 bicuspidatus, 376. 

 deflexus, 376. 

 food of, 351. 

 obtusus, 376. 



seasonal distribution of, 353. 

 communis, Diplocardia, 442. 

 complanata, Alasmodonta, 401, 403, 

 409, 410, 412, 416. 

 Glossiphonia, 493, 494, 496, 497. 

 Hirudo, 493. 

 Margaritana, 403. 

 complanatus, Unio, 401, 403, 40Q, 



410, 412, 415, 416. 

 conchicola, Aspidiogaster, 404, 405. 

 Conchophthirus, 333. 

 anodontae, 333. 



found on Unionidae, 333, 407. 

 infesting Unionidae, 408, 409, 414, 

 416. 

 geographical distribution of, 

 414,415. 

 hirtus infesting Unionidae, 407. 

 confragosa, Alasmodonta, 401, 403, 

 409, 410, 412. 

 Margaritana, 403. 



Conochilus, 303, 362. 

 dossuarius, 354, 362. 

 leptopus, 362. 

 resemblance to Megalotrocha 



alboflavicans, 361. 

 seasonal distribution of, 352. 

 unicornis, 354, 362. 

 Cooley, R. A., description of Coc- 

 cidae by, cited, 389. 

 on Chionaspis, 398. 

 Copepoda, 27, 98, 420. 



mode of collection of, by Dr. 

 Augustin Kramer, 12. 

 Coregonus clupeiformis, Limno- 



calanus as food of, 237. 

 Cori, C. J., Ueber die Verwendung 

 der Centrifuge in der Zoologi- 

 schen Technik und Beschreibung 

 einer einfachen Handcentrifuge, 

 cited, 20. 

 Cornell College, 418. 

 cornuta, Monostyla, 375. 

 cornutus, Unio, 403. 

 corona, Difflugia, 313, 314, 320. 

 corpulenta, Anodonta, 401, 403, 

 405, 408, 409, 410, 412, 413, 415, 

 416. 

 Cothurnia, 341. 



curva ^found on Urnatella gra- 

 cilis, 341. 

 Cotylaspis, geographical distribu- 

 tion of, 414. 

 infesting Unionidae, 408, 409, 411, 



412, 413, 416. 

 insignis as parasite of Unionidae, 

 404. 

 Cragin, F. W., 39. 



A Contribution to the His- 

 tory of the Fresh-water 

 Copepoda, cited, 225. 

 description of Cyclops per- 



armatus cited, 60. 

 on distribution of Cyclops 

 prasinus, 57. 



