2. EUCTENOGOBIUS; 79 



and higher than the posterior ; caudal lanceolate. A black mar it 

 on the posterior portion of the first dorsal. 

 South Pacihc (?). 



a, b. Types of the species. South Pacific. Presented by Captain 

 Sir E. Belcher, C.B. From the Haslar Collection. 



1 52. Gobins virgo. 

 Gobius virgo, Srhlcg. Faun. Jnpon. Poiss. p. 143. pi. 74 fig. 4. 

 D. 8 1 26-28. A. i 



Scales minute. The height of the body is one-seventh of the 

 total length ; snout moderately long, with the jaws equal in length. 

 Caudal rounded ; dorsal fins rather lower than the body. Brownish : 

 an orange -coloured blue-edged band nins from the upper lip through 

 the lower half of the eye to the caudal fin ; another similar band from 

 the angle of the mouth to the operculum. Dorsal fins orange - 

 coloured, with a blue stripe below the margin ; caudal and anal with 

 the margins blue and black. (Schleg.) 



Bay of Nagasaki. 



2. euctenogmJbius. 



Euctenogobius, Gill, Ann. Lye. Nat. Hist. New York, 1859, p. 45. 



Body elongate, covered Avith ctenoid scales of moderate size ; gill- 

 openings? Teeth small, in a single series in the upper jaw, and in 

 a narrow band in the lower ; canine teeth none. Two dorsal fins, 

 the first composed of six spines. Ventral fins united, not adherent 

 to the belly. 



Amazon River. 



1. Euctenogobius badius. 



Euctenogobius badius, Gill in Ann. Lye. Nat. Hist. New York, vii. 1859, 

 p. 45. 



D. 6 I ^. A. ^. L. lat. 50. 



Eighteen longitudinal series of scales between the dorsal fin aiul 

 the anus. The height of the body is one-seventh of the total lengtli , 

 the length of the head one-sixth ; head somewhat higher than long ; 

 snout convex. A pore above each eye, and two on the upper half of 

 the ascending margin of the proeoperculum. Eyes close together, theii- 

 diameter being one-fourth of the length of the head. Dorsal fins not 

 elevated ; caudal rounded ; none of the pectoral rays silk-like. Bed- 

 dish-brown, with an indistinct hoary dot in the centre of each scale ; 

 two bluish bands extend from the eye to the upper jaw ; caudal fir 

 with about seven cross-bars ; the other fins almost uniform. {Gill.) 



Amazon River. 



See also Gobius oxt/ptertis (p. 34), which is said to have the teeth 

 in a single scries. 



