211 



DISTOMA— Continued. 



medians Olss., 1876, 25-26, pi. 4, figs. 59-63 (in Bufo vulgaris).— Braun, 1892a, 583, 

 642, 721, 736, 737.— Looss, 1893b, 811; 1894a, 2, 82, 83, 84, 91 (e. p., syn. of 

 D. clavigerum), 92, 95, 96, 99, 105-108, 119, 126, 137, 158, 159, 167, 173, 181, 

 182, 191, 192, 197, 210, 211, 212, 214, 219, 221, 230, 256, 264, 273, pi. 2, figs. 

 36-38, pi. 8, figs. 168, 169; pi. 9, figs, 187-188 (in Bufo calamita; B. variabilis; 

 B. vulgaris; Rana esculenta; R. temporaria) ; 1894, 5, 50; 1896b, 91, 94, 96; 



1898, 461; 1899b, 616, 622, 623 (to Pleurogenes).— Luehe, 1900, 558; 1901, 169.— 

 Mont., 1893, 86, 95, 102; 1896, 151, 152.— Mueh., 1898, 23.— Nickerson, 1900, 

 813, 814.— Staff., 1900, 412, 414; 1902, 724.— Stoss., 1889, 70. 



medians Olss. of Staff., 1900, Aug. 30, 412.— Staff., 1905, Apr. 11, 683=D. arcanum 



Nickerson, 1900, Oct., to Loxogenes as type. 

 megacolyle Dies., 1850a, 379 (negacotyle), 659, D. velellse Fil., renamed (in Velella 



spirans; Naples) (negacotyle).— Cobbold, 1860a, 30.— Linst., 1904a, 14 (in 



Stenodusnelma; Siberia).— Mont., 1893, 123 — Moul., 1856a, 217 (in Vel. sp.). 

 megalocotyle Mont., 1893, 52, 53, pi. 8, fig. 124.— Linst., 1903, 354 (megatocyle, 



misprint). 



megaloon Linst., 1879, 337-338 (in Lacerta agilis).— Stoss., 1895, 231 (in L. ag.). 

 megastomum Rud., 1819a, 102, 387 (in Squalus galeus; Arimini, May). — Ariola, 



1899, 7 (includes D. soccus Mol.).— Ben., 1858a, 1861a, 170; 1870, 6, pi. 4, 

 fig. 7; 1870, 7.— Braun, 1892a, 647, 679, 701, 702, 728, 734, 738, 761, 784, 786, 

 873; 1893b, 176.— Bremser, 1824, 133.— Cams, 1884, 129.— Cobbold, 1860a, 24; 

 1872b, 91; 1879b, 49, 299.— Crep., 1837, 310, 326.— Crety, 1892, 21-24, fig. 1; 

 1892c, 399; 1892, (92-97); 1893a, 380-382, 383.— Darr, 1902, 667.— Dies., 1850a, 

 357 (includes Rud., 1819a, 102, 387; Eisenhardt, 145; Bremser, 1824c, pi. 9, 

 figs. 5-8; Kuhn, 1829, 463, pi. 11, figs. 4-5; Duj., 1845a, 471); 1858, 339 (in 



Scyllium catulus).— Duj., 1845a,471.— Eisenhardt, .— Jacoby, 1899c, 1900, 



16-24, figs. 13-16.— Jaegers., 1900b, 68-74, figs. 1-4 (copulatory organs).— 

 Kowal., 1895g, 20 (60).— Kroyer, 1852-53a, 851 (in Galeus vulgaris).— Kuhn, 

 1829, 463.— Looss, 1894a, 128; 1899b, 570 (thinks that this form may belong 

 to Azygia); 1902m, 829, 830 (type of Ptychogonimus).— Linst., 1903, 354.— 

 Luehe, 1900, 490.— Mont., 1888a, 64, 72; 1890, 426; 1892, Oct. 7, 189; 1893, 6, 

 7, 33, 34, 35, 53, 71, 77, 78, 79, 82, 95, 102, 192, 193, pi. 1, fig. 2, pi. 7, figs. 

 105-109, pi. 8, figs. 115, 116, 133-135.— Odhn., 1906, 64 (includes D. lymphat- 

 icum Linst. ).— Orley, 1885, 218.— Stoss., 1886, 23; 1890, 43; 1898, 38.— Villot, 

 1878, 2, 9, 11, 13 (in Carcharias; Scyllium catulus; Galeus canis). — Wagener, 

 1860, 167.— Wedl, 155, 383, pi. 2a, fig. 16.— Will.-Suhm, 1870, 5-7; 1871, 

 179-181, pi. 11, figs. 4-5. — Also reported for Squalus mustelus, Mustelus 

 vulgaris. 



megastomum Grobben, 1878a, 89 (in Portunus depurator). 



megastomum leporis Kuhn, 1829c; 1830a; 1830b. — Stiles & Hass., 1905a, 941. 



megatocyle Linst., 1903, 354, for megacotyle. 



megnini Poir., 1885, 4, 5, 14-15, 22, 25, 31, 32, 33, 39, 41, 45, 49, 51, 54, 64, 65, 66, 70, 

 76, 88, 94, 109, 112, 116, 117, 118, 120, 129, 130, 133, 144, 150, pi. 23, fig. 8, pi. 29, 

 fig. 2, pi. 31, figs. 5-7, pi. 34 (in a fish).— Braun, 1892a, 569, 597, 603, 608, 623, 

 624, 625, 631, 666, 671, 673, 674, 677, 690, 712, 717, 724, 731, 733.— Buttel- 

 Reepen, 1900a, 590; 1902, 184, 192, 202.— Darr, 1902, 683, 687, 693.— Jackson, 

 1888, 644.— Lander, 1904a, 7.— Looss, 1894a, 145 (megninii).— Mont., 1893 

 (megninii), 23, 27, 29, 30, 32, 33, 34, 36, 37, 40, 47, 48, 64, 80, 81, 93, 94, 95, 104, 

 113, 119, 125, 126, 127, 134, 135 (megninii), 102, 106, 107; 1896, 154 (megninii).— 

 Wolf, 1903, 619, 621. 



megninii Mont., 1893, 102, for megnini. 



melis (Gceze, 1782) Zed., 1800a, 164, 194-196.— Dies., 1850a, 382 (syn. of D. trigo- 



nocephalum). — Rud., 1809a, 415 (syn. of D. trig.). 

 mentolatum Mueh., 1898, 19, for mentulatum. 



mentulatum Rud., 1819a, 103, 388-389, 681 (in Coluber natrix, Lacerta agilis, 

 L. maculata; Berlin, Arimini, Apr. and July). — Braun, 1891, 99; 1892a, 766, 

 780, 784, 785; 1901b, 15.— Cobbold, 1860a, 19.— Dies., 1850a, 355 (includes 

 D. colubri natricis intestinale Rud., D. colubri tessellati Rud.; D. lacertse 

 Rud.); 1858e, 339 (in Tropidonotus natrix).— Duj., 1845a, 415, to (Brachylai- 

 mus).— Ere, 1881e, 73, 74, 75, 76, 77, 78, 79, 82, 89 (in Tropidonotus natrix); 

 1882a, 309, 310, 311, 312, 313, 314, 315, 318, 325.— Holstein-Beck.— Jackson, 

 1888, 650 (rep. system).— Kampmann, 1894b, 451, 454, 456, 457, 462, pi. 20, 

 figs. 6-9,— Linst., 1879, 184.— Looss, 1899b (=Lepoderma).— Luehe, 1899, 



