k 



(J. DOliYICHTHYS. j^^g 



5. UROCAMPUS. 



Body elongate, compressed, with distinct longitudinal ridges; the 

 upper edge of the trunk continuous with that of the tail ; latera line 

 continuous with lower caudal edge. Tail elongate, qi adirnlukr 



eSv-onthet"fT'""^'f i'"^ '^^"^'^P^'^^ '^' doLlirpCd 

 entirely on the tail, at a great distance hehind the vent 



Manchuria. 



1 . Urocampus nanus. 

 D. 15. Osseous rings 11+50. 



than'Tho fn ^T'^f ?' remaining part of the head, scarcely lower 

 the n.i / ''.^l" ^"I'™«^bital edges converge in front to form 



Wriio! ''^'' '^'^' ^°°"\ O'^^il'"^ ^'^^ -^^'-'^^ ^Welds with a 

 slight ridge ; operculum smooth and thm. The length of the head 

 is contained twice and two-thirds in its distance from the vent 

 Osseous nngs of the body thin, smooth, flexible, with the ridges well 



as theldv" b"' 7r'- ''"' '^^"^■^"»"' ''^'-y t^^-' twice as bug 

 ?«il rl.! ^' ^""'f^l' occupying from the ninth to the twelfth 

 tail-rings; pectoral and caudal fins very small ; anal none 

 Manchuria. 



«. Female, 96 millims. long. Presented by A. Adams, Esq. 



6. DORYICHTHYS *. 



SZS^J^™^'^'^'^^^' Don-ichthys, et Microphi, Ka.,. 



orel'nf ^{f /he ridges weU developed. Pectoral and caudal fins 

 present. Dorsal fin long or of moderate length, opposite to the vent 

 Humeral bones firmly united. Males with the lower edges ol the 



Tropical seas ; some species living in fresh water. 



The species may be arranged thus : 



A. Lateral line interrupted. 



a. Dorsal fin with more than 60 rays, p. 180. 

 l>. Dorsal fin with less than 60 rays, p. ISO. 



B. Lateral line passing into tlie lower edge of the tail. 



a. Dorsal fin with more than 60 rays, p. 181. 



b. Dorsal fin with less than t?0 ravs. 

 «. Tail longer than body, p. 181. 

 p. Body longer than tail, p. 182. 



1 . DoryiclitliTs pristipeUis, Kaup. Lophobr. p. 58.— Hab — ' 



- S.vngnath,i3 deocata. Ham. Buck. Fish. Gang. p. 14: Gray Ind Zoul o 



hg.-R.vers of Xortliern Bengal a>,d Behar ^ ^' "'"■ 



•i. Mieroplus jagorii, rctcr., Monaf.«bcr. Ak. WUs. Berlr,,, 18C8 p "80 - 



6aniar.— D. 37. Oss. rings 21 +!>.->. o"o. p. -ou. - 



