Storer’s Synopsis of the Fishes of North America. 379 
pectorals, and anal tinged with blackish. The third, fourth, and fifth rays of the first dorsal 
are prolonged into flexible filaments; the third and fourth are double the height of the 
body. Second dorsal higher than the body. The head, throat, and shoulders near the pec- 
torals, and all the fins, are naked. Scales moderate upon the back and sides, becoming very 
small upon the belly. 
D. 6,1-10. P.19. V.1-5. A.1-10. C.17. Length, 5 inches. 
Caribbean Sea, Cuv. 
Called ‘‘ El Olivo,”’ at Porto Rico. 
Gobius Plumieri, Biocu, pl. 178, fig. 3. 
Le Sicidium de Plumier, Sicydium Plumieri, Cuv. et Vau., xu. p. 168. 
GENUS XI. ELEOTRIS, Gron. 
Ventrals entirely distinct. Six branchial rays. Head obtuse and slightly 
depressed ; eyes at a distance from each other. 
1. Eleotris gyrinus, Cuv. 
Deep, uniform oliyve-brown, with small lines or brown points upon the rays of the vertical 
fins. ‘Two brown lines upon the temples, back of the eyes. The scales upon the sides of 
the head are very small, and scarcely to be seen; the cheeks are capable of being inflated in 
a remarkable manner. 
D.6,1-8. P.16. V.1-5. A.1-8. C.15. Length, 6 inches. 
Caribbean Sea, Cuv. 
Called ‘‘ Dormeur,’’ at Martinique. 
L’Eléotris tétard, Eleotris gyrinus, Cuv. et Vau., xu. p. 220, pl. 356. 
2. Eleotris guavina, Cuv. 
Deep blackish brown, slightly russet upon the throat, chest, and belly. Fins nearly black, 
or spotted and dotted with black upon a blackish ground. The edge of the second dorsal, 
anal, ventrals, and upper and lower edges of the caudal, whitish gray. Scales smaller than 
in the EK. gyrinus. More than ninety scales in a longitudinal line from the branchie to the 
tail, and nearly forty in a vertical line. First dorsal not quite equal to half the height of the 
body ; the second two thirds its height, the last ray elongated. 
D.7,1-10. P.16. V.1-5. A. 1-10, the last double. C. 15, and some small ones. 
Length, 9 inches. 
Caribbean Sea, Cuv. 
Guavina, Parra, p. 105, pl. 39, fig. 1. 
L’Eléotris guayina, Eleotris guavina, Cuv. et Vat., x11. p. 223, 
