104. GOBIID.E GOBIOXELLUS. G35 
Brazos Santiago, Tex. {Girard.) Like the preceding, a dubious species, 
which may not belong to this geuus. 
(Girard, U. S. Mex. Bound. Surv. Ichtli. 1859, 25.) 
aa. Pectoral witli its upper rays normal, simple, or nearly so; scales large. {Cory- 
'phopterus* Gill.) 
9§8. O. gltmcoffi’cEBassm (Gill) J. & G. 
Tawny, with a faint blue spot in the center of each scale, and with G 
spots, each^foriued by aggregation of dark dots, on the ridge of the 
back between the second dorsal spine and the axil of the soft dorsal 
fin; another row of similar but fainter spots runs from the scapular 
region, and a third row along the middle of the sides; head tawny, 
with dark spots and blue dots; a straight blue line across the cheeks; 
dorsal fins with faint bine spots. Body robust, compressed; head 
naked; mouth oblique, the lower jaw slightly projecting, the maxil- 
laries extending to below pn])il; teeth long, in many series, the outer 
curved; scales ctenoid, large. Pectoral fin with the upper rajs little 
branched, not silk-like; cheeks scarcely tumid; caudal and pectoral 
longer than ventrals, about as long as head. Head 3^; depth 4||^. I). 
VI-10; A. I, 9; P. 18; Lat. 1. 25; 1. trausv. 7. L. 1.^ inches. Coast of 
Washington Territory. {Gill.) The original type is now lost, and the 
species has not been rediscovered. 
{Coryjdiopterus glaiicoframum Gill, Proc. Acad. Nat. Sci. Phila. 1863, 263.) 
345.— Girard. 
Emerald-fishes. 
{Smaragdus Poey.) 
(Girard, Proc. Acad. Nat. Sci. Phila. 1858, 168: type Gohius lanveohiUis Bloch.) 
Body extremely long and slender, the depth contained more than 
six times in the length to base of caudal. Scales small, ctenoid. Head 
not depressed, obtuse-convex, scaly above; cheeks and opercles naked; 
no barbels. Teeth small, in narrow bands, those in the outer row in 
the lower jaw setaceous, movable, in the upper jaw somewhat larger, 
fixed; no canines; lower jaw thin and flat. Dorsal with 6 spines; soft 
dorsal and anal many-rayed; caudal lanceolate. “Base of the tongue 
tuberculate, and shining with bright blue and green reflections, like a 
a precious stone” (hence the names Smaragdus, Esmeralda, etc.). Ver- 
tebrm elongate, 11 + 15. (A diminutive of Gohius.) 
*Gill, Proc. Acad. Nat. Sci. Phila. 1863, .262: type Corypliopterns glaucofrocnum Gill. 
{j opvtpv, summit; nrspov, liu.) 
