131 



CERCARIA — Continued. 



odontocotyla Dies., 1858d, 264 (in Lymnseus 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].— Bosc, 1802a, v. 3, 228.— Bruguiere, 1792a, 457, 466.— 

 Nitzsch, 1827, 69 to Lecane. 



ornata LaValette, 1855, 18-19, pi. 1, figs. N-0 (in Planorbis corneus). — Braun, 

 1892a, 806; 1893a, 832.— Cobbold, 1876, 211; 1879, 454.— Desmonceaux, 

 1868, 22.— Dies., 1858d, 241, 244 to (Acanthocephala), 255-256 to (Acanth.) 

 (larva of Dist. clavigerum Rud.) (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 (larva of Dist. clavigerum Rud.).— 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, corn.); 1862, 301.— Rossbach, 

 1906, 389. 



ovalis Schrank, 1803, 86. 



ovata Villot, 1878, 29-30, pi. 9, fig. 6 (in Lygia oceanica). 



pachycerca Dies., 1858d, 257-258, to (Acanthocephala) (syn. C. brachyura 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.; Nizza; 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 (syn. of Cercariseum 

 erythrops, and of C. melanops).— Moul., 1856, 96, pi. 5, bis fig. 4, 212-213, pi. 

 6, fig. 8; 216 (syn. Dist. paludinse impurse Fil.) (in Paludina impura; Lake 

 de Varese). 



papulosa Ere, 1881 or 1882, see Par., 1894, 164 (in Bythinia tentaculata; Bologna). 

 parva Ere, 1881 or 1882.— Par., 1894, 164 (in Bythinia 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. micropleura; 

 Cairo, Egypt) of an Amphist. (sp.). — Braun. 1893b, 183 (in Ph. micr.). — Looss, 

 1902m, 444 (sub Amphist. conicum).— 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 Cercariseum).— Moul., 1856a, 85 (in Plan, corn.) (Henle, 

 1835, 597). 



platyura Leidy, 1891a, 416 (free in pool with Lymnseus; Fort Bridger, Wyo.). 



pleurolophocerca Sons., 1892, Oct. 7, 138-139 (in Melania tubercolata, Cleopatra 

 bulimoides; Cairo, Egypt).— Braun, 1893b, 183 (in Mel. tub., CI. 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 sei^ata); 

 1776, 206; 1786, 135, pi. 19, figs. 19-21.— Bosc, 1802a, v. 3, 227.— Bruguiere, 

 1792a, 457, 464.— Gmelin, 1790a, 3891.— Herbst, 1789a, 130.— Nitzsch, 1827, 

 69 to Phacus.— Schrank, 1803, 85-86. 



podura Mueller, 1773, 66 ("In paludosis Lemna coopertis, Novembri et Decem- 

 bri"); 1776, 206; 1786, 124-125, pi. 19, figs. 1-5.— Bory, St. Vincent, 1825a, 84 

 (toFurcocerca).— Bosc, 1802a, v. 3, 225.— Bruguiere, 1792a, 456, 460.— Gmelin, 

 1790a, 3892.— Hemprich & Ehrenberg, 1828a, type of Ichthydium.— Herbst, 

 1789a, 130.— Nitzsch, 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, Ilybius; Warschau). 

 proxima Lespes, 1857, 116, pi. 1, fig. 14 (in Littorina littorea). — Dies., 1858d, 249- 



250, to (Gymnocephala).— Pag., 1862, 297 (in Litt. litt.).— Villot, 1875, 479. 



