2. .SYNONATHTTS. 175 



pouch Hat, not concave, not quite half as long as the tail. Dorsal 

 fin comnu'iicing on the anal or first caudal ring. Body and tail 

 with more or less regular reticulated dark-brown cross bands ; 

 sometimes large white spots between the bands. Head with fine 

 brown longitudinal lines ; a brown longitudinal band from below the 

 eye along the lower side of the operculum. Generally a brownish- 

 black cross bar on the ventral surface of each of the three body- 

 rings. 



From the east coast of Africa to the Pacific. 



a, b, c. Many adult and half-grown specimens. Zanzibar. From 

 the Collection of Lieut. -Col. Playfair. 



d. Adult. Seychelles. From Prof. E. P. "Wright's Collection. 



e-f. Adult. East-Indian archipelago. From the Collection of 

 Dr. van Lidth de Jeude. 



//, Ji-i. Adult. Amboj'na. 



k: Several adult and half-grown specimens. Micronesia. Pur- 

 chased of Mr. Wright. 



?-p. Adult. Feejeo Islands. Voyage of the ' Herald.' 



q~r. Adult. Aneiteum. Collected by Mr. MacGillivray. 



40. Syngnathus martensii. 



Syngnathus martensii, Peters, Monatsher. Ak. Wiss. Berlin, 1868, 

 p. 459. 



D. 33. Osseous rings 17-f 33. 



Operculum crossed by a straight ridge. Snout half as long as 

 the head. A median keel along the median line of the snout, and 

 continued to the occiput. Supraorbital edge not continued on the 

 sides of the crown. Body but little higher than broad. Tail not 

 quite twice as long as the trunk. Dorsal fin occupying two body- 

 and five tail-rings. Dorsal fin with black dots. (Ptrs.) 



Pulo Matjan (Borneo), in fresh water. 



41. Syngnathus flavescens. 



Kaup, Lophohr. p. .35. 



D. 37. Osseous rings lo-|-37. 

 Operculum crossed by a ridge. Snout half the length of the head, 

 with a median crest. Dorsal fin standing on eleven rings, three of 

 which belong to the body. Tail one-half longer than the body (with 

 the head). {Kaup.) 

 Tripoli. 



42. Syngnathus retzii. 



Syngnathus retzii, Bleek. Act. Soc. Sc. Imh-Keerl. i. Manado, p. 76. 

 D. 38-40. Osseous rings 17-1-29-30. 



Opcrciilum crossed by two sharp divergent ridges. The length of 

 the snout is equal to that of the postorbital part of the head. A 

 low ridge runs tilong the median line of the snout, crown, and 

 nuchal shields ; supraorbital edge continued into a ridge on the side 



