4. GOBIESOX. 499 



lead into two exceedingly large uriue-bladdors, which are contracted 

 posteriorly and pass into a cloaca. When the fish is compressed, the 

 urine sponts forth with great force. 



The fish examined was more than a foot in length, but is said 

 to attain to a much greater size. It was taken on the coast of 

 Kamtschatka. 



b. Cyclopterus stelleri, PaU. 



Cyclopterus stelleri, Pall. Zoogr. Hosso-Asiaf. iii. p. 73. 



PaUas gives the following particulars from the MS. of SteUer, It 

 is, probably, the type of a distinct genus : — 



Body ovate, smooth ; a single scries of osseous tubercles along the 

 middle of the back to the origin of the dorsal fin. Teeth small, un- 

 equal. Branch iostegals six. Gill-opening reduced to a round fora- 

 men. The dorsal fin commences on the middle of the back and ex- 

 tends nearly to the origin of the caudal fin. " Pianfe postbranchiales 

 [coracoids ?] pectoraUbus aliquanto altiores ; pinna pectorales aceta- 

 bulum utrinque ambiunt." The anal terminates in the vertical from 

 the extremity of the dorsal fin. 



Peter and Paul's Harbour. 



4. GOBIESOX. 



Gobiesox, Lac6-p. ii. p. 595. 



Cotylis, pt., Mull. 4" Troscli. I. c. 



Gobiesox, Tomicodon, pt., et Sicyogaster, JBris. de Barnev. I. c. 



Anterior part of the body very broad and depressed ; skin tough. 

 Snout very obtuse. Dorsal fin short, situated on the tail. Posterior 

 portion of the adhesive disk without free anterior margin. Distinct 

 incisors in the lower jaw ; those of the upper jaw are in several 

 series, and the anterior ones sometimes compressed. Gills three ; 

 pseudobranchia) rudimentary ; giU-membranes united under the 

 throat and not attached to the isthmus. 



Caribbean Sea. Western coasts of South America. 



1. Gobiesox cephalus. 



Gobiesox cephalus, Zw^. ii. p. 595 ; Bris. de Barnev. I. c. pp. 145, 210. 



testar, Lacep. ii. pi. 19. fig. 1. 



Lepadogaster testar, Bl. Schn. pp. 4 & 545. 



Cotylis stannii, ^lull. ^- Trosch. Hor. Ichthyol. iii. p. 18. taf. 3. fig. 3. 



Gobiesox tudes, Richards. Voy. Sidph. Fishes, p. 103. pi. 47. fig. 1. 



D. 9-10. A. 6. C. 12. P. 19-20. 



A vertical fold of the skin at the base of the pectoral ; the cora- 

 coid is so high as to reach to the upper margin of the pectoral. A 

 band of short conical teeth in the upper jaw ; a single series in the 

 lower, the anterior ones being slightly compressed incisors, and small 

 like the lateral teeth, which are conical. 



Caribbean Sea. 



a-e, f. Adidt, half-grown, and young. From the Collection of the 

 Zoological Society. 



2k2 



