585 



(2 uad ru 1 a — Continued. 

 rubiginosa, 401, 403. 414. 



parasites of, 406, 40(), 410, 412. 

 trigona, 401, 403. 



parasites of, 409,4 10,4 1 2,4 13,414. 

 tuberculata, 401, 303. 



parasites of, 408, 40Q, 410, 412, 

 413, 415, 416. 



R 



Kabot, Ch., 158. 

 radiata, Astrosiga, 329. 

 Radiolaria, 306, 315. 

 radiosLim, Amoeba, 317. 

 Rafter, G. W., The Microscojiical 

 Examination of Potable Water, 

 cited, 13, 21. 

 Randolpli, H., 456. 



Bei trag ziir Keinitnis der 

 Tubiticiden, cited, 456. 

 Raphidioplirys, 322. 

 elegans, 322. 

 pallida, 313, 322. 

 Rattulidie, 358, 371. 

 rectus, Lampsilis, 401,403,408, 40Q, 

 410, 412, 416. 

 Unio, 403. 

 reflexa, ()blic|uaria, 401, 403, 408, 



409, 410, 412, 413- 

 Reighard, J. E., 8, 535. 



A Biological Examination of 

 Lake St. Clair, cited, 2, 3, 



4, 5- 19- 

 on color of Dina fervida, 537. 

 rcighardi, Diaittomus, 98, 109, 121, 



169, 184. 

 Report of the Biological and Nat- 

 ural History Survey of 

 Minnesota, cited, 132, 233. 

 Massachusetts State Board 

 of Health, cited, 13. 

 Rhabdostyla, 340. 

 found on Entomostraca, on Fol- 

 yarthra platyptera, and on 

 aquatic worms, 340,367. 



Rhi/.odrilus, 451. 

 lacteus, 443. 

 circulatory system of, com- 

 ]iared with that of Ilyodrilus 

 coccineus and Vermiculus 

 pilosus, 452. 

 comparison of, with other 



Tubificidas, 450-452. 

 description of, 444-449. 

 distinguishing characters of, 



450. 

 found on Sagittaria variabilis, 



444- 

 sunmiary of important char- 

 acters of, 449. 

 Rhi/.opoda, 304, 305, 313, 314, 317. 

 Rhizota, 356, 358, 360. 

 rhomboides, Metopidia, 377. 

 Rhynchelmis, 471. 

 Riballier des Isles, 158. 

 Richard, J., on basal segment of ru- 

 dimentary foot of Cyclops viridis, 

 40. 



See de Guerne and Richard, 

 ringens, Melicerta, 345. 

 riparia, Diplocardia, 442. 

 Rivularia, CEcistes nuicicola found 



on, 361. 

 rivulorum, Tubifex, 442, 444. 

 robustus, Cyclops, 29. 

 roeselli, Stentor, 334. 

 rosea, Allolobophora, 441. 

 n)seola, Philodina, 345. 

 Ross, L. S., 28, 31, 98, 126, 156, 181. 

 Rotifer, 362. 

 macrurus, 363. 

 neptunius, 363. 

 tardus, 363. 

 vulgaris, 363. 

 Rotifera, 12, 14, 19, 304, 3'°. 342- 

 384, 420, 421. 

 affinities and classification of, 355. 

 and Protozoa found in the Illi- 

 ntjis River and Adjacent Lakes 

 at Havana, 111., A List of the, 

 301-388. See under Protozoa 

 and Rotifera. 



