Jordan and Evermann. Fishes of North America. 123 



front, entering the notched occipital process, as wide as the skull be- 

 hind the eye ; surface of the bones striate rather than granujate. Eye 

 small, 6 to 7 in the interorbital. Maxillary barbels reaching tips of ven- 

 trals. D. I, 6; A. 21. (Cuvier & Valenciennes.) Cayenne. Like the 

 next, known only from the original description, both apparently allied 

 to S. troscheli. (Named for C. J, Temminck, then director of the Museum 

 of Holland.) 



gtynM temmtfcdti'owu, CUVIER & VALEXCIENNES, xiv, 403, 1839, Cayenne. 

 .1,/,/s (.Himiiicliii, Gi'NTHER, Cat., v, 151, 1864, after Cuvier A Valenciennes. 

 JVuMcwiM temmwcttamu, EIGENMANN, S. A. Nematognathi, 53, 1890. 



168. SCIADEICHTHYS FLAVESCENS, (Cuvier & Valenciennes). 



Palatine bands of teeth with a backward projection on the inner 

 margin. Dorsal plate enlarged, pointed in front, entering the notched 

 occipital process ; emarginate behind, as wide as the cranium behind eye; 

 granulations not extending forward to eyes ; opercle and humeral process 

 striate, not granular. Eye very small, 9 in interorbital. Dorsal and pec- 

 toral spines granular, moderately serrate. Upper jaw little longer; pala- 

 tine bands of teeth oval. Maxillary barbel extending to middle of 

 pectoral. Ventral shorter than pectoral fins ; adipose i less than anal 

 fin. Upper caudal lobe little the longer D. I, 7 ; A. 18. (Cuvier & 

 Valenciennes.) Cayenne, (flavescens, yellowish.) 



Bairns flni'cscem, CUVIER & VALENCIENNES, xiv, 462, 1839, Cayenne. 

 .-ln'?is fltirescens, GUNTHER, Cat., v, 151, U64. 

 T<i(}ii*nrHsJlti<e&cens, EIGENMANN, S. A. Nematognathi, 53, 1890. 



169. SCIADEICHTHYS MESOPS, (Cuvier & Valenciennes). 



Palatine teeth villiform, the band with a backward projection; poste- 

 rior nostrils not connected by membrane. Dorsal plate enlarged, notched 

 in front, receiving the point of occipital process. Eye midway between 

 snout and preopercle; occipital process twice as long as broad, its tip 

 mucronate, corresponding to a notch in the dorsal plate; top of head 

 granulated to front of eyes; opercle granulated superiorly; humeral pro- 

 cess as long as high, strongly granulated. Ventrals as long as pectorals. 

 D. I, 7 ; A. 18. (Cuvier & Valenciennes.) Guiana. (//aof, middle; 



w^i e y e -) 



Bagrut mesnps, Crvrsa & VALENCIENNES, xiv, 456, 1839, Guiana. 



Ariu* inesops, GI"NTHER, Cat., v, 145, 1864. 



IfedUmnu meaopg, EIGENMANN, S. A. Nematognathi, 57, 1890. 



170. SCIADEICHTHYS PROOFS, (Cuvier A Valenciennes). 



Head 4 to 4|; depth, 7. D. I, 7 ; A. 18. Palatine bands of teeth with a 

 backward projecting angle; posterior nostrils not connected by membrane ; 

 dorsal plate large, butterfly shaped, notched in front, receiving the point 

 of occipital process ; bones of head coarsely granular. Eye nearer snout 

 than to preopercle, 1 in snout, about 3 in interorbital. Jaws subequal ; 

 occipital process broader than long, mucronate at tip ; opercle striate. 

 Body slender and elongate ; head depressed ; teeth on roof of mouth in 

 contiguous patekes. Caudal deeply forked, the longer upper lobe 4 in 



