230 
BI STOMA — Continued. 
sialidis Linst., 1892, 334, pi. 15, fig. 20 (in Sialis lutaria) . — Braun, 1893b, 183. 
s'iimmm Winogradow, 1892, 116-130 (in Homo); 1892, Nov. 30, 910-911; 1900, 617- 
618 (in Man). — Anders, 1903, 6ed., 1245 (in man). — Askanazy, 1900,491,492, 
494; 1901, 73, 77 (in Tomsk, in Homo, dog, cat). — Bossuat, 1902, v. 6 (2), 188 
(syn. of Opisthorchis felineus). — Braun, 1894g, 128-129; 1894h, 755; 1894i, 
602-606; 1903, 3 ed., 157 (syn. of Op. fel.), 159, fig. 106. — Huber, 1896a, 576. — 
Kamensky, 1900a, 5, 19. — Katsurada, 1900, 500. — Kbolodk., 1899a, 152. — 
Looss, 1899b, 674; 1905, 89 (syn. of Op. fel.).— Moniez, 1896, 137, fig. 27.— 
Simon, 1897, 209, 223. — ^Yard, 1895, 328 (in Homo); 1903, 869 (syn. of Op. 
fel.). — ^AVeichselbaum, 1898, 315. 
siemersii Buttel-Reepen, 1900a, 586, 589, 596-598, figs. 8-9 (in Sphyrsena barra- 
cuda; Atlantic Ocean); 1902, Dec. 8, 165-236, pi. 6, fig. 26, pi. 10, fig. 54, 
text fig. h; 1904, Jan. 26, 24-25; 1905, July, 52-53.— Darr, 1902, 668, 671. 
signatum Duj., 1845a, 415-416 ;in Coluber natrix; Rennes) to (Bracliylaimus. — 
Braun, 1891, 100; 1892a, 780, 784, 785; 1893a, 864, 866, 873; 1901b, 13, 16 
(of Ere., syn. of D. ercolanii Mont.). — Cobbold, 1860a, 20. — Dies., 1850a, 390 
(in Tropidonotus natrix); 1858e, 350 (in Tropidonotus). — Gamb., 1896a, 72. — 
Hoyle, 1890, 538.— Kampmann, 1894b, 454, 456, 457, pi. 20, fig. 10. — Linst., 1879, 
185. — Looss, 1899b, 706. — Luehe, 1899, 528 (of Ere., not Duj.).- — Mont., 1893, 
187, 188.— Mueli., 1898, 30.— Scliauinsland, 1882, 496.— Sons., 1893, 186.— 
Stoss., 1895, 216-217; 1898, 34.— Volz, 1899, 235, 237.— Wedl, 1855, 400-401, 
pi. 2b, fig. 8. — ^\Vest, 1896, 323. — Also reported for Natrix torquata. 
signatum of Ere., 1881c, 73, 74, 75, 76, 78, 79, 81, 82; 1882a, 309, 310, 311, 312, 
314, 315, 317, 318, pi. 2, figs. 2-5 (in Tropidonotus natrix), renamed D. 
ercolanii by Mont., 1893, 187, 188, pi. 6, fig. 67. — Braun, 1901b, 13, 16. — 
Luehe, 1899, 528.— Par., 1904, 1.— Stoss., 1904, 1. 
simile Sons., 1890, 105 (in Python molurus); 1893, 215,216; 1893; 185(inPv. moL); 
1893, 499.— Looss, 1899b, 602.— Luehe, 1899, 532. 
simile Looss, 1899b, 602 (see Haematol oechus similis). — Stiles, 1901, 178. — Stiles 
& Hass., 1902d, 20 (renamed Haematolcechus similigenus). 
simillimum Mueh., 1898, 18 (in Euligula n^uoca); 1898, 26, 96-97, 98, figs. 4, 19. — 
Braun, 1902b, 11, 18. — Looss, 1899b, 574 (to Psilost.). 
simj)lex Rud., 1809a, 370-371 (in Gadus aeglefinus). Ease, aeglefini Mueller, 1776, 
renamed; 1819a, 97. — Braun, 1892a, 642, 699, 711, 728, 736; 1893a, 866, 
879.— Cobbold, 1858b, 157.— Dies., 1850a, 343-344.— Duj., 1845a, 466.— 
Ki'oyer, 1838-40a, 606 (in Gadus aeglefinus). — Lamouroux, 1824a, 563 (distome 
simple). — Levin., 1881a, 18, 67-69, pi. 3, fig. 1 (of Olss., syn. Ease, aeglefini) 
(larva in Themisto libellula; adult in Cottus scorpius; Phobetor ventralis: 
Egedesminde); 1876, 15.— Lint., 1898, 525-526, pL 47, figs. 3-7; 1900, 295; 
1901, 415 (Hemitripterus americanus, Leptocephalus conger, Limanda fer- 
ruginea, Microgadus tomcod), 420, 436, 451, 468, 475, 482, 483, 485, 486, figs. 
331, 332; 1905, 328, 334, 397 (in Micropogon undulatus). — Linst., 1889a, 97 
(in Conger vulgaris).— Mont., 1893, 61, 83, 86, 94, 102, 105, 106, 107.— Nicoll, 
1907, 70, 73 (of Olss., svn. of Podocotyle atoinon). — Nord., 1840, 619 (svn. of 
Ease, aeglefini).— Odhm, 1901, 484, 485, 506, 508, 509, 510, 511, 512, 513;‘'l905‘, 
320-321 (of Olss., syn. of Podocotyle atomon) (to Sinistroporus, designated 
type in letter to Stiles, May 15, 1905). — Olfers, 1816, 45. — Olss., 1868, 34; 
1876, 15. — Staff., 1904, 484. — Stoss., 1886, 30-31 (in Anguilla vulgaris, Cot- 
tus scorpius, Gadus aeglefinus, G. melanostomus. Lota vulgaris, Phobetor 
ventralis, Raniceps niger, Sebastes norvegicus); 1902, 582. — Also reported for 
Conger vulgaris. 
simplex Rud. of Olss., 1868, 34; 1876, 15. — Levin., 1881, 67-69 (syn. Ease, aegle- 
fini) (larva in Themistone libellula; adult in Cottus scorpius, Phobetor 
ventralis; Egedesminde). — Odhn., 1905, 320-321 (syn. of Podocotyle atomon). 
simplex Polonio, 1859, teste Par., 1894, 147 (in Lacerta muralis; Padua). 
simulans Looss, 1896b, 52-54, pi. 4, figs. 28-30 (in Pernis apivorus; Alexandria); 
1899b, 673 (to Opisthorchis). — Jacoby, 1900, 7. 
sinense Cobbold, 1875i, Sept. 18, 423 (in Homo); 1875, Oct., 780-781; 1876, 97 
(same as chinense and macconnelli); 1877, Jan., 15-16; 1883, 401; 1884g, 
976.— Baelz, 1883, 234.— Biggs., 1890a, 30-37, 1 fig. (in U. S. A.).— Billet, 
1893a, 506-510, figs. 1-2 (syns.; D. hepatis pemiciosum, D. hepatis innocuum, 
D. japonicum). — R. BL, 1888a, 585, 596, 615-618 (syn. D. spathulatum 
Leuck.), 622 (similar to D. japonicum), 631; 1891, 605, 607-609, 610 (syns.: 
