181 
DISTOMA— Continued. 
prob.); 1904a, 32. — Nord., 1840, 645 (to Porocephaliis ) . — Rud., 1809a, 433. — 
Stiles, 1891a. 
ci'otali durissi Rud., 1809a, 433 (for crotali), 434; 1814a, 103; 1819a, 124 (syn. of 
Pentast. proboscideum). 
cxucibulum (Rud., 1819) Duj., 1845a, 435, to (Crossodera) (in Mursena conger; M. 
cassini). — Dies., 1850a, 322 (to Monost.). — Tennent, 1906, 640 (to Gasterost.). 
cryptohothrium Ben., 1870, 1871a, 31, pi. 5, fig. 16 (in Trigla gurnardus; Belgium). 
crystallinum Rud., 1819a 100, 380-382, 595 (in Rana esculenta, R. temporaria, 
Bufo viridis, B. igneus, Vipera berus; Berlin). — Bettend., 1897, 30.8, 311, 
fig. 28, fig. 4; 1897a, 4, 7, pi. 1, fig. 4. — Brand., 1888a, 14. — Braun, 1893a, 
875.— Dies., 1850a, 352 (to Dist.); 1858e, 338.— Duj., 1845a, 453-454.— Han- 
nover, 1864a, 3 (chrystallinum). — Pag., 1857, 39, 46, pi. 4, fig. 6 (in Frosch). 
cteniceps Leidy MS. in Stiles & Hass., 1894d, 249 (manuscript name found in 
bottle containing parasite of Muskrat, published as D. echinatum; see Leidy, 
1888, 126-127) (in Fiber zibethicus). 
cucumerinum Rud., 1809a, 360-361 (in Avisriparia; gen. sp. incert.); 1819a, 94. — 
Braun, 1899f, 465-468 (is a Monost.); 1901, 561. — Dies., 1850a, 338 (to Dist.). — 
Olfers, 1816, 44. — Stoss., 1902, 9, 32 (to Typhlocoelum). 
cuneatum Rud., 1809a, 358-359 (in Otis tarda); 1819a, 93 (Greifswald). — Anacker, 
1892c, 94.— Braun, 1893a, 877; 1893d, 467; 1901, 13, 15; 1901, 561; 1902b, 69, 
72, 73, 74, 79 (=D. ovatum autt. (nec D. ov. Rud.); Fasc. ov. Rud. part) (to 
Prosthogonimus) . — Cobbold, 1860a, 9. — Crep., 1846, 134. — Dies., 1850a, 336 
(to Dist. )(in Otis tarda; (Gryphise, Rud. , intestine)(in Pavo cristatus, Gurlt). — 
Duj., 1845a, 445. — Looss, 1899b, to Prosthogonimus. — Luehe, 1905, 159. — 
Olfers, 1816, 44. — Schneidemuehl, 1896, 303 (kuneatum). — Stoss., 1892, 180. 
mspidatum Looss, 1896b, 97-101, 104, pi. 7, figs. 64—65 (in Milvus parasiticus; 
Matarieh); 1899b, 578, 581, 584 (type of Centrocestus). — Braun, 1901b, 34. 
cyclopteri Rud., 1809a, 438 (in Cylopterus lumpus); 1819a, 121. — Dies., 1850a, 373 
(syn. of Dist. reflexum), 398. — Stoss., 1886, 47. 
cygni oloris Dies., 1858e, 344 (syn. of D. echinatum), based on Bellingham, 1844a, 
427. 
cygnoides Zed., 1800a, xxiv, 163, 175-176 (in Rana esculenta) ; 1803a, 213. — Baird, 
1853a, 51.— Ben., 1858a, 1861a, 189, 203, 214.— Bensley, 1897a, 326-331, figs. 
1-6 (2 forms); 1897, 293.— Braun, 1883a, 56; 1892a, 569, 634, 635, 698, 711, 712, 
761, 762, 764, 768, 773, 776, 780, 782, 783, 785, 788, 790, 797, 798, 806; 1893a, 
854, 865, 876, 882; 1893d, 467; 1895b, 18, 129; 1899g, 492 to Phyllodist.; 1901b, 
9, 10, 12; 1902b, 22.— Cobbold, 1858b, 162; 1860a, 15; 1872b, 91; 1879b, 49, 
454.— Crep., 1837,’ 310, 323, 324, 326.— Desmonceaux, 1868, 21.— Dies., 1850a, 
342 (includes D. hylse Rud.); 1858d, 272; 1858e, 334 (to Dist.) (Cere. (Acan- 
thocephala) macrocerca) (adult in Pelophylax esculentus; Bombinator 
igneus; Dendrohyas viridis; Rana temporaria; R. pipiens; R. palustris; R. 
halecina; Salamandramaculata; S. (Amblystoma) rubra; S. salnionea; young 
in Pelophylax esculentus; larva in Cyclas cornea). — Duj., 1838a, 7 (embryo); 
1838c, 47; 1845a, 396-397 to (Dicrocoelium).— Fib, 1855b, 24, 25; 1857c, 32.— 
Florance, 1866a, 6, 12.— Fraip., 1880c, 418.— Gamb., 1896a, 72.— Hahn & 
Lefevre, 1884a, 516. — Kampmann, 1894b, 446. — Kerbert, 1881a, 566, 575. — 
KowaL, 1894, 3. — Leidy, 1851b, 207; 1856, 44; 1904a, 48^9 (in Rana pipiens, 
Salamandramaculata, S. (Amblyostoma) rubra), 87 (in R. palustrus, R. hale- 
cina, S. salmonea). — Leuck., 1863a, 511; 1886d, 40. — Linst., 1873, 1 (young= 
Cere, macrocerca FiL); 1887, 97, 101.— Looss, 1885b, 24; 1892a, 125; 1893b, 
813, 815; 1894a, 2, 23, 56-64, 82, 110, 125, 127, 136, 137, 138, 153, 154, 159, 162, 
168, 169, 174, 178, 182, 184, 189, 200, 201, 204, 206, 211, 215, 216, 227, 230, 244, 
251, 253, 256, 269, 275, pi. 1, figs. 23-26, pi. 6, figs. 124-132 (in Bombinator 
igneus ; Hyla arborea ; Rana esculenta ; R . temp .); 1896b , 46 ; 1899b , 605-606 , type 
of Gorgodera, 607; 1902m, 784, 807, 810,846, 851.— Loschge, 1785, 10-14, pi. 1, 
figs, a-e.— Luehe 1900, 558; 1901, 58.— Miescher, 1840c, 39-42 (in R. esc.).— 
Mol., 1859, 833 (in Pelophylax esculentus; Padua). — ^IMont., 1888a, 40, 80 
(cignoides); 1893, 82, 148, 149; 1896, 166.— MouL, 1856, 48, 99, 161 (Cere, mac- 
rocerca is larva of; teste FiL). — ^iVIueh., 1898, 27-28. — Nord., 1840, 617 (syg- 
noides, misprint). — Odhn., 1902, 64, 65. — Olfers, 1816, 44. — Osborn, 1903, 
256.— Pachinger, 1883, 46 pp.— Pag., 1857, 28, 30, 44-46, 47, 52, pi. 6, fig. 1 (in 
green frog).— Par., 1887, 60; 1887, 332-333; 1887, 490.— Rossbach, 1906, 377, 
388.— Rud., 1809a, 367-368; 1819a, 96, 370-371.— Schuberg, 1875, 169.— Sieb., 
