6Q FRESH-WATER FISHES OF SOUTH AMERICA EIGENMANN. 



995. T. hians (Cuv. & Ya!.)- Bahia (chiefly salt-water species, West Indies, 



Pauama). G.,vi,24d. 

 B. maculata Poey. 



201. POTAMORRHAPHIS Glinther. 



996. P. guianensi.s (Schombnrgk). RioMaua; Rio Capiii ; Amazons. G., vi. 



Belone nculojyaciiia Ciiv. & Val. ; B. twniata Giiuther. 



PERCESOCES. 

 XXVI. MUGILID^. 



202. MUGIL LiuusBus 



997. M. platanus GUnther. Rio Plata. G., '80, 9. 



203. PROTISTIUS Cope. (Mugilithe ?) 



998. P. semotilus Cope. PeruvianAnd.es. '74,66. (Altitude, 12,000 feet.) 



204. GASTROPTERUS Cope. (Mngilida3?) 



999. G. archaeus Cope. Areqiiipa, Pacific slope of Peru. '78, 700. (Altitude, 



7,500 feet.) 



XXVII. ATHERINID.^. 



205. CHIROSTOMA Swainson.* 



Atherinoides ; Aiherinichthys B\ee'kev; Heterognathus Girard. 



1000. C. niicrolepidota (Jenyns), Rio Mapocho, Chili. G., in, 403. 



1001. C. bonariensis (Cuv. & Val.). Rio Plata. G.,iii, 404. 



1002. C. argentineusis (Cuv. & Val.). Rio Plata. G.,iii, 405. 



PERCOMORPHI. 



XXVm. POLYCENTRID.E. 



206. POLYCENTRUS Miiller & Troschel. 



1003. P. schomburgkii Miiller & Troschel. Essequibo. G., iii, 370. 



1004. P. tricolor Gill. Trinidad. G.,iii,371. 



207. MONOCIRRHUS lleckel. 



1005. M. polyacanthus Heckel. Rio Cupai ; Ponds near the Rio Negro. 



XXIX. SERKAXID^. 



208. PERCICHTHYS Girard. 



1006. P. laevis (Jenyns). Santa Cruz River, Patagonia. G., i, 61. 



1007. P. trucha (Cuv. & Val.). Rio Negro, Patagonia; fresh waters of Chili. G., 



I, 61. 



* It is quite certain that some of these species do not belong to the genus Cli irosloma, 

 and probably none of them do. 



