1907.1 NATURAL SCIENCES OF I'HILADELPHIA. 249 



NOTES ON SERRANID-E. 

 BY HENRY AV. FOWLER, 



The material on which this paper is based is all contained in the 

 collections of the Academy of Natural Sciences of Philadelphia. 



PERCICHTHYIN.E. 

 Percichthys melanops Girard. 



No. 22,892, A. N. S. P. Cotype. 



Perciohthys trucha (Valenciennes). 



Argentina. Recently reported by Drs. Evermann and Kendall. 



PARALABRACIN.E. 



Maxillary with a supplemental bone. Tongue smooth. Gill- 

 rakers long and slender. Scales verj^ small. Dorsals 2, connected at 

 base, XI-XIII, I-II, 12-14. Anal spines III, well developed. Ven- 

 trals inserted behind bases of pectorals. 



The only genus examined seems to be Percalahrax Schlegel, Fauna 

 Japonica, Poiss., I, 1842, p. 2 (type Labrax japonicus Cuvier, only 

 species), which has priority over Lateolahrax Bleeker, Verh. Batav. 

 Gemot. (Nalez. Ich. Jap.), XXVI, 1854, pp. 4, 53 (type Labrax japoni- 

 cus Cuvier, only species). 

 Percalabrax japonicus (Cuvier). 



Tsuruga, Japan (D. S. Jordan and J. 0. Snyder). 



MORONIN/E. 



Boocus chrysops (Rafinosque). 



Southern Illinois (R. Kennicott). 

 Rocous lineatus (Bloch). 



Trenton, N. J.; Sing Sing, N. Y. (S. F. Baird); Chestertown, Md. 

 (E. G. Vanatta) ; Connecticut River (Smiths. Inst.) ; North Carolina? 

 (E. D. Cope). 



Labrax labrax (Linnaeus). 



Italy (Bonaparte Coll.). 



Labrax Klein, in Walbaum, Pd. Arted. Gen. Pise, 1792, p. 584 (type 



