59 



olssoni Rail., 1900, 239, t. h. Apus apus. — 1900: Dicrocoelium. 

 onchacanthus Massa, 1906, 44, t. h. unknown; Triest. — 1906: Trochopus. 

 onchidiocotyle Setti, 1899, 121, t. h. "tonno;" Portoferraio.— 1899: Trist. 

 onycephalum Galli-Valerio, 1898, 923, misprint for oxycephalum (Dist.). 

 opaca Bory de St. Vincent, 1823a, 354, in infusions de pois. — 1823: Cere. 

 opaca Staff., 1902, 416, t. h. Bufo lentiginosis; America. — 1902: Gorgodera. 1905: 

 Gorgoderina. 



opacum Ward, 1894, 173, t. h. Amia calva, Cambarus propinquus, Ictalurus punctatus, 

 Percaflavescens; Lake St. Clair.— 1894: Dist. 1894: D. (Brachyccelium). 1899: 

 Levinsenia. 1901: Microphallus (type). 



operculata Herbst, 1787a, 36. — 1787: Planaria. 



ophthahnobium Dies., 1850a, 334, oculi humani renamed; Dresden. — 1850: Dist. 

 1892: Agamodist. 



ophthalmothium Luehe in Stiles, 1903u, 223, for ophthalmobium (Agamodist.). 

 opisthotrias Lutz, 1895, 181, t. h. Didelphys aurita. — 1895: Dist. 1899: Harmost. 



1899: Heterolope. 

 orbicolare Sons., 1891, 262, misprint for orbiculare (Monost.). 



orbiculare Dies., 1850a, 349, t. h. Cebus trivirgatus; Brazil. — 1850: Dist. 1901: 

 Phaneropsolus. 



orbiculare Rud., 1819a, 83, t. h. Sparus salpa; Naples. — 1819: Monost. (Monost.). 



1901: Mesometra (type). 

 orbis Mueller, 1786, 138, in aqua, ubi Lemna, rarissime. — 1786: Cere. 1815: Furco- 



cerca. 1827: Lecane. 

 oricola Leidy, 1884a, 47, t. h. Alligator mississippiensis; Florida. — 1884: Dist. [1895: 



D. pseudostomum.] 

 oricula Mont., 1892, 715, misprint for oricola (Dist.). 



ornata LaValette, 1855, 18, t. h. Planorbis corneus. — 1855: Cere. 1858: C. (Aeantho- 



cephala). [1858: Dist. clavigerum, type of Pleurogenes 1899.] 

 ornata Will.-Suhm, 1870, 9, t. h. Alligator lucius; Charleston.— 1870: Polycotyle 

 (type). 



ornata Odhn., 1902, 22, t. h. Nilkrokodil.— 1902: Stephanoprora (type). 

 ornatum Leidy, 1856, 43, t. h. Rana pipiens; Phila. — 1856: Monost. 

 ornatum Cobbold, 1882a, 240, t. h. Elephas indicus; India.— 1882: Amphist. 1895: 

 Pseudodiscus. 



ornithorhynchi Johnston, 1901, 334, t. h. Ornithorhynchus anatinus Shaw. — 1901: Dist. 

 orphii Ben. & Hesse, 1863, 116; 1864, 116, t. h. Esox belone.— 1863: Axine. [1879: 

 A. belones.] 



orthagorisci molx Dies., 1855, 64, based on Bellingham, 1844, 429.— 1855: Dist. [1850: 

 D. macrocotyle.] 



orthoccelium Fischder., 1901, 369 r t. h. Bos kerabau; Ceylon. — 1901: Paramphist. 

 osculatum Looss, 1901, 654, t. h. Motella vulgaris. — 1901: Dist. 



osleri R. Wright, 1879, 66, t. h. Necturus lateralis;? Canada. — 1879: Sphyranura (type). 

 oslerii Mont., 1888a, 8, for osleri (Sphyranura). 



oti Rud., 1819a, 354, for otidis, syn. of macrocephalum. — 1819: Festuc. 



otidis Frcelich, 1802, 53, t. h. Strix otus. — 1802: Festuc. [Amphist. macrocephalum.] 



ovale Goto, 1894a, 241, t. h. Histiophorus orientalis; Misake, August. — 1894: Trist. 



[1899: T. lseve.] 

 ovalis Schrank, 1803, 86.— 1803: Cere. 

 ovata Villot, 1878, 20, t. h. Lygia oceanica.— 1878: Cere. 



ovata Rud., 1803a, 25, t. h. Corvus frugilegus.— 1803: Fasc. 1809: Dist. 1845: Dist. 



(Dicrocoelium). 1892: Cephalogonimus. 1896: D. (Cephalogonimus). 1899: 



Prosthogonimus (type). 1899: Prymnoprion (type). 1901: Prosthogonimus 



(type). 1902: Prostogonimus. 

 ovata Linst., 1877, 192.— 1877: Tetracotyle. [1894: Holost. variegatum.] 

 ovata Goto, 1894a, 234, t. h. Anthias schegeli; Misaki, Japan, August. — 1894: Epib- 



della. 1902: Trist. 1903: E. (Benedenia). 

 ovatum Lint., 1900, 269, t. h. Lobotes surinamensis; Woods Hole.— 1900: Gasterost. 

 ovatum Dies., 1850a, 302, for Dist. luteum Baer, 2, 610, pi. 29, figs. 20-22, in Paludma 



vivipara; Regiomontii. — 1850: Heterost. 1858: Cercariaeum. [1858. Dist. 



luteum Wagener.] 



