PENNANT S GLOBE-FISH. 



347 



PLECTOGNATHI. 



GYMNODONTID^. 



Tetrodon lagocephalus, Globe Tetrodon, 



PENNANT'S GLOBE-FISH. 



Tetrodon Pennantii, Pennant's Globe-fish, Yarrell. 



„ stellatus, Stellated Globe-fish, Don. Brit. Fish. pi. 64. 

 Tetraodon Icsvigatus, Globe Diodon, Penn. Brit. Zool. ed. 1776, vol. 



iii. p. 132, pi. 20. 

 Penn. Brit. Zool. ed. 1812, vol. 

 iii. p. 174, pi. 23. 

 Tetraodon stellatus, Stellated Globe-fish, Flem. Brit. An. p. 174, sp. 31. 



Proceedings Zool. Soc. 1833, 

 p. 115. 



Generic Characters. — Both jaws are divided in the middle by a suture, pro- 

 ducing the appearance of four teeth in front, two above and two below. The 

 skin, over part of the body, armed with numerous short spines. The branchial 

 orifice small. 



In this order of fishes, the Plectognathi of Cuvier's ar- 

 rangement, the principal distinctive character consists in the 

 maxillary bones being firmly attached to the intermaxillaries, 

 and both united to the palatine arch 



Three examples of this singular-looking fish have been 

 taken in this country, and all three in Cornwall. Pennant 

 first described it as British from a specimen caught at Pen- 

 zance. Mr. Donovan has recorded a second, taken on the 



2 A 2 



