584 



Pn)t()/,o;i and Rotifera — Contitnied. 

 collections e x a m i ii e d in 

 preparation of Hemiiel's 

 article on, with brief de- 

 scription of waters col- 

 lected from, 301-303. 

 literature consulted in prep- 

 aration of H e m pel' s ar- 

 ticle on, 385, 388. 

 methods of collection and 

 preser\ation of, 303. 

 as food of rotifers and fishes, 



312. 

 classification of, 314. 

 food relations of, 311, 324. 

 geogra])hical distribution of, 311, 

 local distril)ution of, 312 314. 

 methods of caj^ture and studv of, 



310. 

 species of, found in njx-n water, 



313- 

 syniipsis of the higher gn)u])s of, 



3'4- 

 tyjiical foi-nis of, 305-310. 

 prunicola, Chionaspis, 3(^8. 

 Pseudoripersia proposed as new 

 subgenus and a distinguishing 

 character gi\ tn, ^()2. 

 Fterodina, 274, ^77, 421. 

 j.atina, 378- 



seas((nal distribution nl, 353. 

 valvata, 378. 

 Pterodinida>, 358, 350, 377- 

 pulchellus, Cycl<>|:)s, 29, 44. 

 Pump, Thresher 'I'ank, used incol- 



h'Ctiiin (if i)lankt<in, 13. 

 jiunctata, i'lrpobdella, 532, 535, 536, 



53'). 540. 



Nejiheiis, 532. 

 p u n c t a t u s, liiachii mus, 353, 354, 



379, 421. 

 Purdy I'^lectric Centrifuge, 20. 

 pustulata, (2u,idi'ura, 401, 403, 401), 



410, 411, 412. 

 pustulatus, I 'niii, 403. 



pustulosa, Quadrula, 401, 402, 403, 



408, 409, 410, 412, 416. 

 pustulosus, Unio, 403. 

 pyriformis compressa, I^iftlugia, 

 319. 



Uifflugia, 313,314. 310- 



Euchlanis, 374. 



vas, Difflugia, 319. 

 pyrum, l^hacus, 313, 326. 



Q 



(|ua(.lric(irnis, Noteus, 353, 382. 



var. albidus, Monoculus, 47. 



var. \ iridis, Monoculus, 37. 

 cpiadridentata, Monostyla, 376. 

 quadrijjartita, Tokophrya, 310, 339, 



341. 

 (juadristriata, Nephelis, 532. 

 Quadrula asperrima, 401, 403. 



parasites of, 408, 409, 410, 412, 

 414. 

 capacity for infestaiinn exhibited 



by, 414- 

 ebena, 401, 403. 



parasites of, 409,410,411,412, 



413. 414- 

 granift-ra, 401, 403. 

 parasites of, 400. 

 lachrymosa, 401, 403, 414. 



parasites of, 408, 409, 410, 411, 

 412. 

 metanevra, 401, 403. 



parasites of, 409, 410, 412. 

 multiplicata, 401, 403. 



parasites of, 409,410,412,413. 

 |)arasites of, 405. 

 plicata, 401 , 403, 409. 



]iarasites nf, 408, 410, 412, \\\, 

 416. 

 pustulata, 401, 403. 



parasites of, 410, 411, 412. 

 pustulosa, 401, 402, 403. 



parasites of, 408, 409, 410, \\z, 

 416. 



