131 
CERCARIA — Continued; 
odontocotyla Dies., 1858d, 264 (in Lymnaeus stagnalis; Berlin). 
opaca Bory St. Vincent, 1823a, 354 (in infusions.de pois). 
orbis Mueller, 1786, 138-139, pi. 20, fig. 7 (in aqua, ubi Lemna, rarissime); [Zool. 
dan. prod., 1776, 280]. — Bose, 1802a, v. 3, 228. — Bruguiere, 1792a, 457, 466. — 
Nitzsch, 1827, 69 to Lecane. 
ornata LaValette, 1855, 18-19, pi. 1, figs. X-0 (in Planorbis corneus). — Braun,' 
1892a, 806; 1893a, 832.— Cobbold, 1876, 211; 1879, 454.— Desmonceaux, 
1868, 22. — Dies., 1858d, 241, 244 to (A.canthocephala), 255-256 to (Acanth.) 
(larA'a of Dist. clavigerum Bud.) (in Plan, corn., Berlin; Hydrachna con- 
charum; Heidelberg); 1858e, 388 to (Acanth.); 1859c, 434. — Fil., 1857c, 
31, 32.— Florance, 1866a, 11.— Harz, 1881c, 4.— Leuck., 1863, 495, fig. 171.— 
Linst., 1873, 1 (lai’^’a of Dist. clavigemm Bud.). — Looss, 1894a, 90, 99, 237, 
250, 252, 257. — ^MouL, 1856, 108, 120, 152-153 (in Plan, corn.; Berlin). — 
Pag., 1857, 13-18, 52, pi. 1, figs. 1-13 (in Plan, com.); 1862, 301. — Bossbach, 
1906, 389. 
ovalis Schrank, 1803, 86. 
ovata Villot, 1878, 29-30, pi. 9, fig. 6 (in Lygia oceanica). 
pachycerca E)ies., 1858d, 257-258, to (Acanthocephala) (sjti. C. bmchjuira Lespes) 
(in Trochus cinereus; Francogallise). 
pachycerca Claperede, 1863a, 12-13, pi. 18, fig. 1 (free form; St. Vaast). — Braun, 
1893a, 831. — Par., 1894, 165 (in Cydippe sp.; Xizza; see Leuck., in Cams, 
-1884, Prod., 133). — Villot, 1878, 35 (of Dies, or Clap.?). 
pacifica Ben., 1858a, 1861a, 86 (syn. of Dist. militare). 
paludinx impurx Baer, 1827, 655, see Dies., 1855a, 400 (s^m. of Cercariaeum 
er\4:hrops, and of C. melanops). — Moul., 1856, 96, pi. 5, bis fig. 4, 212-213, pi. 
6, fig. 8; 216 (sjm. Dist. paludinse impurse Fil.) (in Paludina impura; Lake 
de V arese). 
papillosa Ere., 1881 or 1882, see Par., 1894, 164 (in Bythinia tentaculata; Bologna). 
parva Ere., 1881 or 1882. — Par., 1894, 164 (in Bjdhinia tentaculata; Bologna). 
pectinata Huet, 1891a, 12, Apr., 162-165, figs. 1-4 (in Donax anatinum). 
pelagica Mont., 1888, 45, 46. 
pigmentata Sons., 1892, Oct. 7, 142-144 (in Physa alexandrina, P. micropleiu-a; 
Cairo, Egypt) of an Amphist. (sp.). — Braun, 1893b, 183 (in Ph. micr.). — Looss, 
1902m, 4-44 (sub Amphist. conicurq). — Stiles, 1898a, 64, 65, 143. 
planorbis carinati Dies., 1858d, 266, to (Acanthocephala) (in Planorbis carinatus; 
Turin). 
planorbis cornei Dies., 1850a, 298 (in Planorbis corneus) (based on Henle, 1835, 
597); 1855a. 400 (to Cercariaeum). — ^IdouL, 1856a, 85 (in Plan, com.) (Henle, 
1835, 597). 
platyura Leidy, 1891a, 416 (free in pool with Ljmmaeus; Fort Bridger, Wyo.). 
pleurolophocerca Sons., 1892, Oct. 7, 138-139 (in Melania tubercolata. Cleopatra 
bulimoides; Cairo, Egypt). — Braun. 1893b, 183 (in Mel. tub.. Cl. buL). — 
Looss, 1896b, 204-210, pi. 13, figs. 140-145 (in Mel. tub.; Egypt). 
pleuronectes Mueller, 1773, 70 (“In aqua ultra sex septimanas in vasculo servata); 
1776, 206; 1786, 135. pi. 19, figs. 1^21.— Bose, 1802a, v. 3, 227.— Bruguiere, 
1792a, 457, 464. — Gmelin, 1790a. 3891. — Herbst, 1789a, 130. — Xitzsch, 1827, 
69 to Phacus. — Schrank, 1803, 85-86. 
podura'ShieWer, 1773, 66 (“In paludosis Lemna coopertis, Xovembri et Decem- 
bri”); 1776, 206; 1786, 124-125, pi. 19, figs. 1-5. — Bory, St. Vincent, 1825a, 84 
(to Furcocerca). — Bose, 1802a, v. 3, 225. — Bruguiere, 1792a. 456. 460. — Gmelin, 
1790a, 3892. — Hemprich & Ehrenberg, 1828a, type of Ichthydium. — Herbst, 
1789a, 130. — Xitzsch, 1827, 68 to Enchelys. 
polymorpha (Baer, 1827) Moul., 1856, 86, 116, 174-177, pi. 6, fig. 11; 179. — Dies., 
1858d, 275 (to Bucephalus). — Ere., 1881e, 41, 42, 43, 44-45, 60, 87; 1882a. 277, 
278, 279, 280-281, 296, 323. — Par., 1894, 164 to (Bucephalus). — Ziegler,, 
1883, 541. 
pomatix Vaney & Conte, 1899, 194-196, figs. 1-2 (in Helix pomatia; Lyon). 
prima Ssinitzin, 1905, 147-153; 1906, 687 (in Aplexa hypnorum, Planorbis vortex 
compressa; Warschau) (encysts in Corethra, Hybius; Wai-schau). 
proximo Lespes, 1857, 116, pi. 1. fig. 14 (in Littorina littorea). — Dies., 1858d, 249- 
250, to (Gymnocephala). — Pag., 1862, 297 fin Litt. litt.). — Villot, 1875, 479. 
