170 Pisces für 1909. 
Plyocanthus hasseltii Regan (9). — Ply. signatus 1. e. 
Poecilia heteristia n. sp. Regan (5). — P. reticulata Arnold (1). — P. ählesndatn 
Heler. 
Poeeilobrycon auratus n. gen. n.sp. Eigenmann. — P. erythrurus n. sp. l.c. — 
P. harrisoni n. sp. l. e. — P. ocellatus n. sp. 1. c. 
Poecilocharax bovallii n. gen. n.sp. Eigenmann. 
Polyacanthus cupanus var. Engmann (2). 
Polycentropsis abbreviata Pellegrin (4, 5). 
Polydactylus virginicus Blosser. 
Polymixia Regan (2). 
Polyterus Beaufort. — P. senegalus Pellegrin (9). 
Potamorhaphis Schlesinger (2). 
Pristella aubynei n.sp. Eigenmann. 
Pristipoma Jubelini Pellegrin (4). 
Pristiurus Gast, Luboseh (2), Sterzi (2). — Pr. murinus n. sp. Collett, Holt and 
Byrne (2). — Pr. melanostomus Studnicka (2). — Pr. sauteri n. sp. Jordan 
and Richardson. 
Pristigaster tartoor Beaufort. 
Protopterus annectens Kerr, Sterzi (1). — Pr. Dolloi Pellegrin (5). 
Prototroctes Regan (2). 
Psettichthys melanostielus Wilson. 
Pseudoaspora parva Tanaka. 
Pseudogobio esocinus Tanaka. 
Pseudopleuronectes americanus Fowler. 
Pseudotolithus brunneolus n. sp. Jordan and Richardson. 
Pterodiscus levis n. gen. n.sp. Eigenmann. 
Pterois volitans Regan (10). 
Pterothrissus dorsalis Beaufort. 
Ptychobarbus laticeps Zugmayer. — Pt. longiceps 1. ce. 
Pygidium guianensis n. sp. Eigenmann. 
Pygocentrus bilineatus n. sp. Eigenmann. 
Pygosteus pungitius Fowler. 
Pyrrhulina naitereri Arnold (3). 
Raja Holt and Byrne (2), Kammerer (1), Retzius, Sterzi (2), Studnicka (1, 2). 
— R. asterias Gast. — R. batis Bainbridge, Gast, Gibson, Müller. — R. bathy- 
phila n. sp. Holt and Byrne (2). — R. clavata Lubosch (3), Maier (2), Müller. 
— R. fullonica Bainbridge. — R. hollandi n.sp. Jordan and Richardson. 
— R. radiata Bainbridge, Müller. 
Rajiden Wilhelmi. 
Raniceps Hammarsten. — R. raninus Ehrenbaum (2), Hjort, Schmidt (5). 
Retropinna Beaufort, Regan (2). 
Rhinobatus Sterzi (%). 
Rhinochimaera atlantica n. sp. Holt and Byrne (}). 
Rhinonemus Schlesinger (1). 
Rhodeus amarus Antipa, Hofer, J. (2), Kolkwitz u. Marsson, Leger (2), Maier (2), 
Nitsche, P. 
Rhombus Kammerer (1). — Rh. laevis Johnstone (3). — Rh. marimus Burne (2), 
Levander, Maier ( 
