G3 6 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY - IV. 



989. G. orcaiiicus (Pall.) J. & G. 



Brownish, lighter below; a faint dusky streak along sides; a dark 

 l>ar below eye; lins imicolor; pectorals dusky. Body much elongate, 

 of equal depth throughout. Head short; profile very convex. Mouth 

 large. oblique; jaws equal; maxillary reach ing to below middle of orbit. 

 Dorsal spines more or less elevated, filiform, usually higher than the 

 soft rays; caudal from -J of length of body; pectoral slightly longer 

 than head or than ventrals, none of its rays silk-like; basal membrane 

 of ventrals well developed. Head 5i-G in length; depth about 7i. D. 

 VI-13; A. 14; Lat. 1. GO-TO, the scales much smaller and crowded, an- 

 teriorl. Coast of Texas to Guiana. 



I';i!l:is. Spicilc^ia, viii. 4, 1769, after Gobins candd longissima aciinii- 

 )niln (Jronmv : C/ihiitx Idin-colatiis Bloch. Fischr Drutsclil. ii, 12, pi. oS, f. 1. 17^4: (iobiim 

 Idncenlahts C. A: V. xii, 114: Colin* bacahtus C. & V. xii, 119: Gobiim t<iua<>!tii>< (Jiin- 

 tlicr, iii, 50: Goblonellus hast at ns Girard, Proc. Acad. N:it. Sci. Phila, 1858, 169: Gobio- 

 ncUus hastatus Girard, U. S. Mex. Bouud. Surv. 1859, 24.) 



31G.r-ftlL]LICHTIIYS Cooper. 

 (Cooper, Proc. Ca-1. Acad. Nat. Sci. 1863, 111: typo GillicJithys iHirubil'tK Coopor.; 



Body moderately elongate, compressed, covered with small, cycloid, 

 imbedded scales; belly and head naked. Eyes small, almost superior. 

 Gape wide, the maxillary in the adult inordinately developed, prolonged 

 backward to the base of the pectorals; its posterior part a cartilaginous 

 expansion, connected to an expansion of the skin of the lower jaw, 

 thus forming a channel backward from the mouth, almost exactly as 

 in the Blennioid geuus Ncoclinus and the Trachinoid genus 0/>/.s-///</.y- 

 nathus. Teeth small, even, in broad bands. Dorsal fins 2, the second 

 high, the liist of G very weak spines, none of which are exserted; cau- 

 dal rounded; pectorals large; isthmus broad. Singular little fishes, 

 in brackish waters, bin-rowing in the mud. 



' D'ilir;ilrd to Tlirmlori. (Jill.) 



99O. {. mni'abiles Cooper. 



Dull olive, very liuely marbled with darker; sides of head and max- 

 illary tinely jmnctate: tins oiive; l)e!ly and ventrals yellowisli. Jjody 

 ratlu'r stout, somewhat compressed. lOyes small, higli, anlerioi 1 ; max- 

 illary in the adult reaching past base of pectorals, proport ioiiately 

 .-smaller in the \oiing: in the very young the bone is scarcely larger 

 than in o'her (Sohics. Scales \ci'\ small, smooth ; belly and head naked, 

 showing prominent veinin^s: dorsal spines very weak. IleadSi; depth 

 \\; maxillary, in adult,.".. D. YI-1.".; A. 1,10. L. G inches. Pacific 



