2. SYNGUATUUS. 167 



as long as the body. Dorsal fin commencing oppoisite to the vent. 

 Body nearly as broad as deep. Pectoral and caudal fins small. 

 {Je7iyns.) 



Bahia Blanca (Northern Patagonia). 3^ inches long. 



22. Syngnathus brevirostris. 



Syngnathus brevirostris, Eiijjp. N. W. Fische, p. 144. 

 Corythoicbthys brevirostris, Kaup, Lophohr. p. 28. 



D, 19. Osseous rings 14 + 28. 



Head and snout very short, the length of the former being one- 

 tenth or one-eleventh of the total. Snout one-third as long as the 

 head. Head without ridges. Body slightly compressed, with dis- 

 tinct ridges ; lateral line passing into the lower caudal edge. Tail 

 one-half longer than the body ; pouch two-fifths as long as the tail. 

 Dorsal fin commencing opposite to the vent. 



Red Sea. 



(t. Adult male, 2 inches long. Massaua. Collected by Dr. lliippell. 

 —One of the typical specimens. 



b. Base of the dorsal Jin elevated. 



23. Syngnathus serratus. 



> lliissell, pi. 30. tig. 2. 



Syngnathus serratus, Schleg. Faun, Japon. Poiss. p. 272, pi. 120. 



tig. 4 ; Bleek. Verh. Bat. Gen. xxv. Nalez. Japan, p. 55. 

 Tracbyrhamphus serratus, Kaup, Lophobr. p. 23. 

 cultrirostris, Peters, J/Ionaisbe?: Ak. Wiss. Berlin, 1869, p. 710 



(yoimg). — 1 am indebted to Prof. Peters for an opportunity of 



examining the typical example. 



D. 27. Osseous rings 24-25 + 47. 



Base of the dorsal fin elevated. Snout less than half as long as 

 the head, with a serrated crest. Interorbital space broad, with the 

 orbital edges prominent, smooth ; occiput and nape with a median 

 x'idge ; . eyes large. Operculum finely radiated. Body scarcely 

 deeper than broad ; shields without spines. Tail one-half longer 

 than the body. Vent nearly below the middle. of the dorsal fin, 

 which stands on six rings. Caudal fin extremely small. Egg-pouch 

 more than half as long as taU. 



China and Japan ; Siam. 



a, h-g. Adult. North China. Purchased of Mr. Jamrach. 



h. Numerous dried examples. China. — Named S. trachyrhyn^hus 



and S. chinensis. 

 i-Jc. Adult. Siam. Purchased of Mr. Jamrach. 



24. Syi^nathos longirostii3. 



Trachyi-hamphus longirostris, Kavp, Loiihohr. p. 24. 

 D. 27. Osseous rings 26 + 54. 

 Base of the dorsal fin elevated. Snout more than half as long as 



