553 



Brachionus, 274, 347, 352, 378. 

 angularis, 354, 380, 421. 

 bideiis, 354, 381. 



seasonal distribution nf, 353. 

 bakeri, 380, 421. 



brevispinus, 380. 



seasonal distribution of, 353. 

 bidens, 381. 

 caudatus, 381. 

 dorcas. 354, 379- 



spinosus, 354, 379. 



seasonal distribution of. 353. 

 niilitaris, 355, 381, 421. 



eaten by Asplanchna lierrickii, 



35 b 365- 

 seasonal (listril)ution of, 353. 



mollis, 354, 378. 

 pala, 354, 355,378. 



seasonal distribution of, 353. 

 \arieties of, 378. 

 punctatns, 354, 37Q, 421. 



seasonal distribution of, 353. 

 rubens, 379. 

 urceolaris, 379. 

 seasonal distribution of, 353. 

 type of trophi of, 345. 

 \ariabilis, 354, 380. 

 bractea, Metopidia, 37.7. 

 Brady, G. S., 98. 



Braun, A., Betrachtungen ueber die 

 Erscheinung der Verjlingung 

 in der Natur, insbest)ndere 

 in der Lebens- und Bildungs- 

 geschiclite der I'flanze, cited, 

 284. 

 on rotation of Pandorina, 284. 

 Ueloer einige \'olvocineen, cited, 

 288. 

 brevicorne, Ceratiuni, 313, 330. 

 brevispinosus, Cyclops, 39, 41. 

 brightwellii, Asplanclnia, 351, 354, 



355. 364- 

 Bristol, C. L., 539. 



on papiihe of Dina niicros- 

 t(jma, 540. 



Bristol. C, L. — Continued. 



The Metamerism of Nephelis 

 cited, 532, 535. 

 Brooks, W. K., Handbook of In- 

 vertebrate Zoology, cited, 509. 

 Bucephalus infesting Unionidie, 

 402, 404, 408, 409, 411, 416. 

 geographical distribution of, 



414, 415- 

 polymorplius infesting Union- 

 idge, 407. 

 Biitschli, O., 301. 



on locomotion of (ionium. 283. 

 I'rotozoa, cited. 274, 283,284,314. 

 conijjilation of Synopsis of 

 higher groups of Protozoa 

 from, 314. 

 lUiffalo-hsh, 351. 

 bulba, Monostyla, 375. 

 Bulletin of the Illinois State Lab- 

 oratory of Natural History 

 cited, 225, 237, 389, 441. 

 of the Museum of Com])arati\e 



Zoology cited, 498. 

 Zoological, cited, 406. 



C 



Calanus, 237. 



californica, Pleodorina, 273, 274, 

 276, 277, 279, 280, 281, 283, 286, 

 290, 313, 328, 421, 437. 

 caliginosa trapezoides, Allololxiph- 



ora, 442. 

 Callidina. 364. 

 elegans, 364. 

 Callipappus, species belonging to, 



390. 

 Cambarus blandingii acutus and C. 

 diogenes, Opercularia irri- 

 tabilis found on, 340. 

 Tokophrya quadripartita re- 

 corded from, 342. 

 and C. diogenes, Bdellodrilus 

 philadelphicus found on, 542. 

 Cambridge Natural History cited, 

 344- 



