LOPHOBRANCHII. 33 



A Species having a distinctly prominent line passing through 

 the middle of the gill-cover. 



1. Syngnathus argyrostictus, Kuhl et Van Hasselt. 

 (Leyden Museum.) 



Svngnathus djarong?, Bleekerl 



Diagn. — Lateral line straight, interrupted, reaching to the 

 sinal ring. Back flat, sides compressed, and belly acute. The 

 edge of the back reaching to the 5th ring of the dorsal tin, 

 and the upper caudal edge terminating at the 2nd ring of 

 the dorsal, which stands on five caudal rings. Body formed 

 of 1 6 rings, and the tail of 40. 



Descr. — This species comes near the spicifer of Ruppell, but 

 the snout is longer and more slender ; its length, measured from 

 the front of the orbits, being equal to the distance from thence 

 to the base of the pectoral fin. The rings are separated from 

 one another, but without serrature. The tall, brownish dorsal 

 fin is diaphanous, and the yellowish-brown body is bestrewed 

 with white specks encircled by black. Tail-pouch dark brown. 

 The short caudal fin has firm rays, and is of a black colour 

 crossed by lighter bars. 



A male measuring 5 inches in length has the head O/l inch 

 long, the body 041 inch, the tail 2'98 inches, the egg-pouch 

 1 *34 inch, and the dorsal fin - 43 inch long. 



Rad.—P. 16; D. 26 or 27 ; A. 2; C. 10. 



Leyden Museum, from Java. 



2. Synguathus biserialis, Gray. 



Descr. — Greatly resembles the foregoing species, but the snout 

 is shorter, and measured from the middle of the orbit its length 

 is equal to the distance from thence to the base of the pectoral. 

 Bodv-rings 16; tail-rings 46. 



Rod.—?. 16; D. 27; A. 3; CIO. 



Length of body 2 - 01 inches, of tail 296 inches, of dorsal fin 

 - 47 inch, of head 0"64 inch. 



This species rests on a bleached Indian specimen in the British 

 Museum, and I have not been able actually to compare it with 

 argyrostictus ; so that there is a probability of its being iden- 

 tical with that species. 



c5 



