239 
DISTOMA— Continued. 
xariegatum Rud., 1819a, 99, 378-379 (in Rana esculenta; Berlin, October). — 
Baird, 1853a, 53. — Ben., 1870c, 141. — E. Bl., 1847, to Brachylemus. — Braun, 
1897a, 1459; 1892a, 784 (varigatum) ; 1893a, 876, 881, 911.— Cobbold, 1860a, 
17.— Crep., 1829, 58-59; 1837, 310, 322, 326; 1839, 288.— DaiT, 1902, 654.— 
Dies., 1850a, 354-355 (to Brachylemus); 1858e, 339 (in Rana pipiens, Pelo- 
phylax esculentus). — Duj., 1845a, 416-417. — Gronkowski, 1902a, 511, 515, 
518-519, 531-532 (4, 8, 11-12, 24-25), pi. 13, figs. 3, 11, 12.— Hausmann, 1897b, 
27. — Kamensky, 1900a, 8.- — Leuck., 1863a, 490. — Leidy, 1851, 207, 242; 1856, 
44. — Linst., 1883, 309; 1886, 34; 1887, 97. — Looss, 1892, 65, 93 (varigatum); 
1893b, 812, 815, 818, 819, fig. 3; 1894a, 2, 3, 65, 68, 71-82, 113, 114, 115, 116, 
118, 119, 120, 121, 125, 127, 135, 136, 146, 150, 159, 163, 167, 173, 175, 179, 
182, 190, 193, 199, 204, 208, 209, 210, 212, 214, 215, 217, 221, 224, 226, 227, 
230, 242, 256, 266, 268, pi. 2, figs. 43^8, pi. 7, figs. 134-146 (syns. D. cylin- 
dricum, D. cylindraceum, Monost. bombynae, M. ellipticum) (in Rana escu- 
lenta, Bombinator igneus; Bufo cinereus); 1896b, 19; 1899b, 556, 661 (type 
of Haematol oechus), 602, 603; 1901, 192; 1902m, 732 (type of Pneumonoeces), 
810.— Luehe, 1899, 533; 1901, 58.— Mehlis, 1831, ‘177-179.— Mol., 1859, 
828-829, pi. 3, fig. 2 (syn. Brachylemus v.) (in Pelophylax esculentus; 
Europe). — ^Mont., 1892, 715. — Mueh., 1898, 26. — Pag., 1857, 41^2, pi. 5, 
fig. 2 (in green frogh — Poir., 1885, 102. — Sons., 1893, 185, 188, 189 (in Rana 
esculenta). — Staff., 1900, 405, 409; 1902, 482 (in Canadian frogs and toads); 
1902, 24 Kov., 895, 904 (American representatives); 1903, 15 Dec., 901; 1905, 
July, 50-51.— Stiles & Hass., 1898a, 84; 1902d, 20.— Stoss., 1889, 62; 1896, 
128; 1898, 35.— IVagener, 18n7, 25, 102, pi. 21, figs. 1-2.— lYright, 1879, 8.— 
Also reported for Bufo A'ulgaris, Rana halecina, R. temporaria, Triton alpestris. 
xarigatum Looss, 1892, 93, for variegatum. — Braun, 1892a, 784. 
\xariolosus Gaertner in Pallas (a tunicate)]. — Lamarck, 1816, 101. 
xarium Eysenhardt, 1829, 148-151 (in Gadus merluccius). — Dies., 1850a, 342 
(s>m. of D. caudiporum), 371 (s\ti. of D. appendiculatumj, 372 (s^m. of D. 
grandipomm and of D. mfoviride) . — Mol., 1859, 826 (syn. of D. grandipo- 
rum). — Mont., 1891, 498. — ^IVagener, 1860, 166. 
xelellmYi\iip-pi (1843), 66, pi. 5, fig. 12 (inVelella spirans; Naples). — Dies., 1850a, 
379, 659 (renamed D. megacotvle). — Koelliker, 1849, 53. — Mont., 1888, 198, 
199; 1893, 123. 
xeliporium Johnston, 1902, 329, for veliporum. 
xeliporum Crep., 1837a, 310 (in Squalus griseus), 318. — Ariola, 1899, 7, 9 (s^tis. 
D. insigne Dies., D. microcephalum Baird. D. scAunni Risso). — Braun, 1892a, 
567, 586, 624, 625, 647, 682, 686, 690, 735; 1893a,‘873, 879, 910; 1893d, 466.— 
Cams, 1884, 129. — Cobbold, 1860a, 25 (in Prionodon milberti, Hexanchus 
griseus). — DaiT, 1902, 666, 667, 669, 683. — Dies., 1850a, 347 (sjm. Ease, squali 
grisei) (in Prionodon milberti; Hexanchus griseus; Panormi). — Duj., 1845a, 
471 (in Squalus griseus). — Jaegers., 1900, 72, 73, 74; 1900, 736. — Johnston, 
1902, 329 (veliporium). — Kerbert, 1881a, 541. — Linst., 1903, 279, 354. — 
Lint., 1898, 521-522; 1901, 416 (in Raja laevis), 421, 431. — Loennberg, 1891, 
71; (1898), 4. — Looss, 1894a, 152, 211; 1899b, 570 (thinks this form may 
belong to Azygia). — Mont., 1888a, 7; 1889, 69; 1889, 70 (in Raja sp.; Porto 
Huite, Chile); 1889, 321: 1892, 5, 6, 7; 1893, 9; 1893, 33, 34, 36, 43, 52, 82, 
102, 107, 113, 120, 122, 147, 191, pi. 1, fig. 6, pi. 8, figs. 122-131.— Of enheim, 
1900, 164. — Olss., 1868, 22; 1876, 13; 1896, 508 (includes D. insigne, D. micro- 
cephalum).— Poir., 1885, 22, 37, 42, 44, 48, 49, 53, 74, 82, 106, 127, 142.— 
Stoss., 1886, 19; 1890, 51; 1901, (9) 97, pi. 6, fig. 1 (in Notidanus griseus; 
Triest); 1904, 198, 199. — Villot, 1878, 2 (in Hexanchus griseus, Prionodon 
milberti). — Wagener, 1852, 543; 1857, 28; 1860, 174. — Reported for Acanthias 
vulgaris, Carcharias milbertii, Centrolophus pompilus, Chimaera monstrosa, 
Echinorhynus spinosus, Heptanchus cinereus, Hexanchus griseus. Raja 
batis, R. clavata, R. fullonica, R. laevis, R. lineata, R. radiata. 
xentricosa Ben., 1871a, 68, pi. 4, fig. 11. — Braun, 1891d, 423. — Mont., 1891, 510 
(syn. of Apoblema ocreatum Rud.). 
xentricosum (Pallas, 1774) Mont., 1893, 26, 27. — Braun, 1893b, 184. — Stoss., 1900, 
8. — Reported for Pimeleptems sp. 
xentricosum Rud., 1819a, 108, 398 (in Clupea alosa; Arimini, April). — Ben., 1858a, 
1861a, 179, 193; 1870, 68.— Bl., 1891, 468-478, fig. 36.— Buttel-Reepen, 1902, 
166, 167, 168, pi. 6, figs. 19-22.— Cams, 1884, 125.— Cobbold, 1860a, 27.— 
Darr, 1902, 666. — Dies., 1850a, 369 (in Alosa vulgaris; Arimini). — Duj., 1845a, 
