IV. Pisces für 1903. 101 
Mylecollops n. subg. goeldii Eigenm. Eigenmann (2). 
Myletes albiscopus Cope Eigenmann (2), — brachypomus Cuv. . Eigenmann (?), 
— ellipticus Gthr. Eigenmann (2), — oculus Cope Eigenmann (2). 
Myleus oligacanthus M. u. T. Eigenmann (2), — tiete Eigenmann a. Norris Eigen- 
mann u. Kennedy (1). 
M yliobatis Brinkmann, Fürbringer, M., Priem, — acutus Ag. Priem, — oweni Ag. 
Priem, — aquila Brinkmann, Fürbringer, K, — dixoni Ag. Priem, — nieuhofi 
Bloch u. Schneider Jordan u. Fowler (2), — pentoni Woodw. Priem, — striatus 
Bucklard Priem, — thomasi Sauv. Priem, — tobijei Bleeker Jordan u. Fowler 
(2). 
Mylossoma albiscopus Cope Eigenmann (2), Eigenmann u. Kennedy (?). 
Myrus Allis (3). 
Myxine Haack, Vialleton, — circifrons Garman Dean (2), — glutinosa Dean (3), 
— limosa Gir. Dean (3). 
Nannaethiops unitaeniatus Gthr. Boulenger (1), Lönnberg (2). 
Nannocharax fasciatus Gthr. Boulenger (1%), — intermedius n. sp. Boulenger (12), 
— niloticus Joan. Boulenger (12). 
Naseus Began (1). 
Naucrates ductor L. Scharff. 
Nelixosus n.g. albimarleus n, sp. Heller u. Snodgrass. 
Nemachilus Nusbaum (2%), — barbatulus L. Lawer, — fedtschenkoae n. sp. Nikolski. 
Nematognathi Jordan u. Fowler (6). 
Nematonotus longispinus Davis Hay (%, 3). 
Neobola botteyi Vincig. Boulenger (17). 
Neoceratodus forsteri Krefft Semon. 
Neomaenis apodus Forster Fowler (3). 
Nerophis Rennie, — aequoreus L. Laver, — ophidion Laver. 
Nomeus gronowii Gmelin Fowler (3). 
Notacanthus amnectens n. sp. Boulenger (6). 
Notesthes n. g. (Centropogon) robustus Gthr. Douglas Ogilby. 
Notidanus Fürbringer, K., Hay (3), Jordan u. Fowler (2), — loozi Leriche (1), 
— paucidens n.sp. Koch. 
Notoglandium n.g. walkeri n.sp. Günther. 
Notopterus Boulenger (1), Rowntree. 
Notothenia coriiceps Richds. Steindachner (3), — longipes Steind. Steindachner (3), 
— macrocephala Gthr. Steindachner (3), — tesselata Richds. Steindachner (3). 
Notropis arge Cope Bean (1), — brimleyi n.sp. Bean (1), — microstomum Gir. 
Cockerell. 
Novacula cultrata Cuv. u. Val. Regan (12). 
Ocyurus chrysurus Bloch. Fowler (3). 
Odontaspis crassidens Ad. Priem, — cuspidata Ag. Leriche (1), Priem, Schnee (I), 
— elegans Ag. Priem, Stromer, — macrota Leriche (1), — rutoti Leriche (1), — 
verticalis Ag. Stromer. 
Odontostilbe paraguayensis n. sp. Eigenmann u. Kennedy (2), — trementinae n. sp. 
Eigenmann u. Kennedy (2). 
Oedalechilus n. subg. Fowler (6). 
Onchus rectus Clarke. 
Oncorhynchus Rutter (2). 
