170 3YNGNATHID.E. 



of tht3 crown of the head. Body scarcely deeper than broad, with 

 very prominent ridges. Shields without spines. Tail not twice as 

 long as the trunk (without head). Dorsal fin commencing some- 

 what in advance of the vent. 

 Celebes. 



a-b. Two of the typical specimens, 65 millims. long. Manado. 

 From Dr. Blceker's Collection. 



43. Syngnathus bicoarctatus. 



Syngnathus bicoarctatus, Bleek. Act. Sue. Sc. Indo-Ncerl. ii. Am- 

 boyna, viii. p. 99. 



D. 30. Osseous rings 22+60. 



Operculum with a ridge obliquely ascending backwards. The 

 length of the head is about one-twelfth of the total. Snout not 

 twice as long as the postorbital part of the head : " occipite promi- 

 nente angulato, rugoso, non carinato ; fronte plane rugosa ; orbitis, 

 cristis(pie utroque latere rostro-oculari et postoculari la>vibus.'' 

 Shields without spines. Tajl more than twice as long as the body. 

 Dorsal fin standing on six rings, three of which belong to the body. 

 Caudal fin very small. (Blkr.) 



Amboyna. 



44. Syngnathus budi. 



Syngnathus budi, Bleek. Act. Soc. Sc. Indo-Neerl. i. Manad. p. 77. 

 D. 52-53. Osseous rings 17-18 + 33. 



Operculum crossed by a faint straight ridge. The length of the 

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

 ridge runs along the median line of the snout and nuchal plates ; a 

 very faint ridge on each side of the crown. Body very low, worm- 

 shaped ; shields without spines. Tail twice as long as the trunk 

 (without head). Dorsal fin commencing considerably in advance of 

 the vent. Caudal fin well developed, 



Celebes, Batavia. 

 a. One of the typical specimens. From Dr. Blocker's Collection. 



3. ICHTHYOCAMPUS. 



Ichthyocampus, Kaup, Lophohr. p. 29. 



The dorsal edges of the trunk and tail are continuous, but some- 

 times very indistinct. Pectoral and caudal fins present. Dorsal 

 fin opposite or near to the vent. Males with an egg-pouch on the 

 tail, the eggs being covered by cutaneous folds. 



Indian and Australian Seas. 



1. Ichthyocampus carce. 

 Syngnathus carce, Hum. Buck. Fish. Ganij. p. 1-3; Ciray, III. Ind. 

 Zool. c. fig.; Bleek. Verh. Bat. Gen. xxv. Beny. p. IGl. 



