307 



anterior fourth of the head. Posterior nostrils nearly below front- 

 border of eye, anterior nostrils in a tube, somewhat shorter than 

 eye. Snout convex, bluntly pointed; cleft of mouth 3 ! / 2 times 

 or more in length of head, extending somewhat behind eye. 

 Dorsal rather low, more than twice lower than height of body, 

 commencing nearly opposite to the extremity of the pectorals 

 or farther behind. Length of pectorals thrice or somewhat more 

 in head. Teeth small, acute, equal, uniserial in the jaws, on 

 the vomer irregularly biserial, on the intermaxillary plate about 

 6 in 2 rows. Olivaceous above, lighter below. Length 506 mm. 



Habitat: Sumatra (Deli, in brackish water!, Bagan Api 

 Api!); Java (Batavia!, Surabaya!). 



In sea and brackish water. 



7. Ophichthys polyophthalmus Blkr. 



Ophichthys polyophthalmus Bleeker, Ned. Tijdschr. Dierk. II. 1864/65, p. 43. 



Atl. Ichth. IV. 1864, p. 47. 



Ophichthys polyophthalmus Gunther, Cat. Brit. Mus. VIII. 1870, p. 73. 

 Ophichthys bleekeri Volz, Zool. Jahrb. Abth. Syst. XIX. 1903, p. 418. 

 Microdonophis polyophthalmus Jordan & Snyder, Bull. U. S. Fish Comm. XXVI. 



(1906) 1907, p. 207. 



Height about 28; head more than 10, 4.9 times in trunk. 

 Head and trunk 1.2 in length of tail. Eye more than 8, situated 

 in the anterior third of the length of the head, two thirds of 

 the length of the snout. Cleft of mouth of moderate width, 

 reaching slightly behind eye, one third of the length of the head. 

 Snout conspicuously projecting. Posterior nostrils in advance 

 of the eye; anterior ones with a truncated tube, about as long as 

 the eye. Origin of dorsal about opposite to the base of the 

 pectorals. Dorsal and anal ending somewhat before point of tail. 

 Length of pectorals equal to snout, about 5 J / 2 times in head. 

 Teeth of moderate size, subequal, pointed, curved, uniserial 

 in all the bones; those on the intermaxillary plate in form of 

 a V, the point directed forward. Brownish, on each side with 

 3 series of large rounded brownish-black spots arranged alter- 

 nately, each spot of [the dorsal series with a whitish centre. 

 Head with numerous white, dark-edged ocelli. On the back a 

 series of brown spots, each with a whitish centre ; margin of 

 dorsal black, a series of elongate blackish spots along its middle; 

 anal nearly immaculate. Length 525 mm. [Type of the species 

 in the British Museum seen by us]. 



Habitat: Ambon!. Riu Kiu Islands; Hawaii. 



