121 



CATOPTROIDES Odhn., in Looss, 1902m, 857 (Gorgoderinae), 861, 862 (tod. spatula). 

 spatula (Odhn., 1902) Odhn. in Looss, 1902m, 857, 862. 

 spatulseforme (Odhn., 1902) Odhn. in Looss, 1902m, 857. 

 CENTROCESTINiE Looss, 1899b, 586.— Jaegers., 1903a, 14.— Pratt, 1902a, 888, 894 

 (key), contains Centrocestus, Ascocotyle; related genera, Acanthocasmus, 

 Anoiktastoma. 



CENTROCESTUS Looss, 1899b, Dec., 584, 586 (m. cuspidatus); to ttevrpor, spine; 



6 Kedros, Gurtel; 1902m, 832, 833.— Braun, 1902b, 30.— Jaegers., 1903a, 14.— 

 Pratt, 1902a, 888, 894 (key). 

 cuspidatus (Looss, 1896) Looss, 1899b, 582, 584. 

 CENTRODERMA Luehe, 1901, 59 (tod. spinossimum). 



spinosissimum (Stoss., 1883) [Luehe, 1901d, 59]. 

 CENTROVARIUM Staff., 1904, May 3, 493 (m. lobotes). 



lobotes (MacCallum, 1895) Staff., 1904, May 3, 493 (in Esox lucius, Stizostedion 

 vitreum). 



CEPHALOBDELLXDEA Dies., 1850a, 291 (subtribe of Monocotylea to contain 

 Astacobdella, Peltogaster, Pachybdella, Trachelobdella, Podobdella, Pon- 

 tobdella, Ichthiobdella, Branchiobdella), 433, 650.— Goldb., 1855, 20. 



CEPHALOGONIMINiE Looss, 1899b, Dec, 628; 1900, 561 — Luehe, 1901, 487.488.— 

 Pratt, 1902a, 889, 901 (key), includes Cephalogonimus, Emoleptalea, Prcs- 

 thogonimus; related genus Stromylotrema. 



CEPHALOGONIMUS Poir., 1886, 22 (m. lenoiri) KecpaXi^ yovipios.— Braun, 1892a, 

 642, 645, 696, 704, 705, 713, 715, 733; 1893a, 885, 886, 890, 893, 909, 911; 

 1895, 138; 1900h, 3; 1902b, 68.— Looss, 1894a, 173, 174; 1899b, 536, 538, 541, 

 625, 626-627, 628, 721.— Luehe, 1899, 539; 1900, 555.— Moniez, 1896, 89.— 

 Mont., 1888a, 15, 34, 92, 104; 1892, Oct. 7, 214 (gen. of Distominae^; 1893, 82, 

 95, 154, 157; 1896, 167.— Neumann, 1892, 345.— Pratt, 1902a, 889, 901 (key).— 

 Stiles & Hass., 1898a, 85-86, 96.— Stoss., 1892, 4; 1898, 23. 

 americanus Staff., 1902, 5 Nov., 719-725, 1 pi., figs. 1-4 (in Rana virescens; Ash- 

 bridge's Bay, Toronto; May; also ? R. clamata); 1902, 30 Dec, 844; 1905, 

 July, 52; 1905, Apr. 11, 687 (int. R. vir.; R. clamata). 

 lenoiri Poir. [1885, 3, pi. 2, figs. 1-2;], 1886, 22-24, pi. 2, figs. 1-3 (in Tetrathyra 

 vaillantii Roch; Senegal).— Braun, 1892a, 734; 1899b, 715: 1902b, 68.— 

 Looss, 1899b, 626, 627; 1902m, 418 (in Trionyx nilotica), 783.— Luehe, 1899, 

 539.— Mont., 1893, 83, 102, 105, 106, 107, 157; 1896, 167 (lenori).— Stiles & 

 Hass., 1898a, 85, 96.— Staff., 1902, 719, 725.— Stoss., 1895, 213. 

 lenori Mont.., 1896, 167, for lenoiri. 



ovatus (Rud., 1803) Stoss., 1892, 144; 1896, 126; 1898, 23; 1902, 13 (of 1896, 126, 

 syn. of Cycloccelum mutabile Zed.). — Hass., 1896a, 2 (syns. Fasc. ov. Rud., 

 Dist. ov. (Rud.); D. bursicola Crep.) (in Gallus dom.). — Looss, 1899b, 629 

 (type of Prvmnoprion), 720, 721. — Luehe, 1899, 539 (type of Prosthogoni- 

 mus).— Mont., 1893, 157.— Rail., 1893a, 368.— Sons., 1890, 134.— Stiles & 

 Hass., 1898a, 85. — Reported also for Accipiter nisus, Anser cinereus dom., 

 Ardea cinerea, Bucephala clangula, Buteo vulgaris, Corvus cornix, Gallinago 

 scolopacina, Harelda glacialis. 



pellucidus (Linst., 1873) Rail., 1890, 138; 1893a, 369.- Braun, 1902b, 68.— Hass., 

 1896a, 2 (in Gallus dom.).— Looss, 1894a, 174.— Mont., 1893, 157.— Stiles & 

 Hass., 1898a, 85. 



CERATIUM Schrank, 1793.— Nitzsch, 1827, 69, contains Cere tripos [cf. Ceratium 

 for Keratella Bory, 1824]. 



CERCARIA Mueller, 1773, 64-70 (contains gyrinus, catellus, podura, lupus, lemna, 

 cvclidium, tenax, pleuronectes) [apparently lemna is type; cf. Braun, 1889a, 

 312, 315]; 1786.— Abildg., 1793, 88.— Aitken, 1866, 801, 806, 837; 1872, 144, 

 148, 204.— Assenova, 1899, 64-65.— Ben., 1882b, 14.— R. Bl., 1888a, 551, 557, 

 558, 559, 560, 561, 562, 604, 605, 610, 620, 627, 628, 647; 1890h, 2-3.— Bojanus, 

 1818a, 729-730 [688-689].— Bory de St. Vincent, 1823a, 354-355; 1823b, 355- 

 356 (cercariees); 1824d, 189-191 .— Bosc, 1802a, 223-224.— Braun, 1889a, 312 

 (only malleus and lemna of Mueller's original species of 1773 are true Cerca- 

 ria); 315 (only inquieta and lemna of Mueller's, 1786, Cercaria are trueCerca- 

 ria); 1890a, 515; 1892a, 767,775; 1893a, 884; 1893b, 183 (of Dist. recurvatum 

 Linst., in Physa alexandrina).— Bruguiere, 1792, 456, 458.— Burm., 1837, 529; 

 1856a, 246, 250.— Cobbold, 1858a, 9 (structure); 1859d, 365 (in Cervus axis).— 

 Dadai, 1888c, 1C7-109; 1888e, 105-106, pi. 3, fig. 16; 1888f, 84-86, pi. 3, figs. 



