378 MR. C.-TATE REGAX ON [Apr. 10, 



1. On the Fresh-water Fishes of the Island of Trinidad, 

 based on the collection, notesj and sketches made by 

 Mr. Lechmere Guppy, Jmir. By C. Tate Regan, 

 B.A., F.Z.S. 



[Received January 26, 1906.] 



(Plates XXI.-XXV.*) 



The Fresh- water Fishes of the Island of Trinidad, West Indies, 

 formed the subject of an important memoir by Dr. Th. Gill t in 

 1858. The following is a list of the species which he described, 

 together with the names used to designate them in the present 

 paper : — 



Polycentrus tricolor Gill = Polycentrus schomburgkii. 



Ctenogobius fasciatus Gill = Gobius fasciatus. 



Cychlasoina pulclirura Gill = Acara pulchra. 



„ taenia Benn. = Cichlosoma bimaculatum. 



Crenicichla frenata Gill = Crenicichla saxatilis. 



Pimelenotus wilsoui Gill = Pimelodus wilsoni. 



Calliclitliys kneri Gill = Callichthys kneri. 



Hoplostemum leevigatuin Val. = „ littoralis. 



„ stevardii Gill = „ thoracatus. 



Hoplosoma «iieum Gill = Corydoras ieneus. 



Hypostomus robinii C. c^ V. = Plecostoimis guacari. 



Ancistrus guacbarote C. Sf V. = Ancistrus trinitatis. 



Macrodon ferox Gill = Macrodou trahira. 



Erytbrinus cinereus Gill = Erythrinus unitieniatus. 



PcBcilurichthys brevoortii Gill = Tetragonopterus maculatus. 



„ taeriiurus Gill = „ tseniurus. 



„ pulcber Gill = Cbirodon pulcher. 



„ unilineatus Gill = Tetragonopterus unilineatus. 



Curimatus argenteus Gill = Curimatus argenteus. 



Stevardia albipinnis Gill "1 



Corynopoma riisei Gill I .... 



1 •■ /-<-77 >■= Coryuopoma rusii. 



„ veedonii Gill j ■' ^ 



Nematopoma searlesii Gill J 



In Dr. Gunther's Catalogue of Fishes (1859-1870) a little 

 Cyprinodont was described from Trinidad under the name 

 Girardinns g^f^ppyi %■, and in 1873 and 1874 the late Prof. 

 Liitken § published some critical notes on the Siluroid and 

 Characinid fishes described by Dr. Gill. 



The present paper deals with a collection made by Mr. Lechmere 

 Guppy, Junr., who has followed out a suggestion made by 

 Mr. Boulenger to such good purpose that he has sent to the 

 British Museum a series of well-preserved specimens representing 

 thii'ty-five species, including all but three of those which have 

 previously been described from the island. He has also sent 



** For explanation of tbe Plates, see p. 393. 



t Ann. Lye. N. York, vi. pp. 363-430. 



% This species was named after Mr. L. Guppy, Senr. 



§ Vid. Medd. Kjobenhavn, 1873, pp. 214-217, and 1874, pp. 220-240. 



