GONORHYNClllU-E. 373 



Fam. 18. GONORHYNCHID^. 



Head and body entirely covered with spiny scales ; 

 mouth with barbels. Margin of the upper jaw formed 

 by the intermaxillary, which, although short, is con- 

 tinued downwards as a thick' lip, situated in front of 

 the maxillary. Adipose fin none ; the dorsal tin is 

 opposite to the ventrals, and short, like the anal. 

 Stomach simple, without blind sac; pyloric ap})en- 

 dages in small number. Pseudobranchia^ ; air-bladder 

 absent. Gill-openings narrow. 

 » 



Southern temperate parts of the Atlantic and Pacific ; Japan. 

 Only one genus is known. 



1. GONORHYNCHUS. 



Gonorhynclius, Gronov. Zoophi/l. no. 190 ; Cuv. t*)- J'al. xix. p. 202 ; 



Kncr, Novara, Fisch. p. 342. 

 Khynchaua, Ricliards. Voij. Ereh. S) Terr. Fish, p. 44. 



Body elongate, subcylindrical ; head pointed ; snout conically 

 projecting beyond the mouth (which is inferior, subsemicircular). A 

 single barbel behind the end of the snout ; lips thick, fringed. Eye 

 large, covered by the transparent skin. Teeth none in the jaws 

 or on the palate ; two patches of obtuse teeth behind the palate, 

 on the pterygoid bones, opposed to a single larger patch on the 

 hyoid. A lobe of the mucous membrane is suspended from the roof 

 of the mouth, in front of the teeth. Dorsal fin opposite to the ven- 

 trals, these fins being approximate to the vent ; caudal fin snb- 

 tinincate. Gill-membranes grown to the isthmus. A fringed gill-like 

 organ behind the fourth branchial arch, one half being attaclied to 

 this arch, the other half to the humeral arch. Branchiostegals 

 four. 



Cape of Good Hope ; Australian and Japanese seas. 



1. Gonorhynclius greyi. 



Gonorhynchus, Gronov. Zoophyl. no. 100, tab. 10. fig. 2 (bad). 

 Cyprinus gonorynclius, Gm. L. i. p. 1422 ; lil. hiclm. p. 44o, tab. 78. 



fig. 1 (copied from Gronov.); Laccp. v. p. 570. 

 l\hynchana greyi, liichtirds. I. c. pi. 29. fig». 1-ti. 

 Gonorhynchus abbreviatus, Schleg. Faun, Japon. Poiss. p. 217, pi. 103. 



fig. 5. 



gronovii, Schlcf/. I. c. ; Citr. ^- Val. xix. p. 207, pi. 5G8. 



greyi, Cuo, ^- Val. xix. p. 212. 



