288 GTMNODONTKS. 



parasite). Intcrorbital space reduced to a narrow channel, mucli 

 hollowed out, and not exceeding one diameter of the eye- Eight or 

 nine dorsal rays. Uniform reddish brown (in spirits). 

 Galapagos archipelago. 



B. Nasal openings one on each sick ; it is in a simple tube, which is sometimes 

 two-Up2H'd at the extremity. Body spiny. 



28. Tetrodon palembangensis. 



Tetraodou palembangensis, Blceh. Verh. Bat. Gen. xxiv. Blootk. p. 25, 



or Nat. Tyds. Ned. Ind. iii. p. G05. 

 Crayracion palembangensis, Bleek. Atl. Ichth. G)/mnod. p. 07, pi. 4. 

 fig- 3- 

 The whole body, with the exception of the lips and hind part of 

 the tail, is studded with small spines, each of which is accomparaed 

 by a small tentacle. Snout depressed and short, the eye being con- 

 siderably nearer to the end of the snout than to the gill-opening. 

 Interorbital space very broad and flat, the osseous part being narrow. 

 Brown above, white below ; body with a network of wide brown 

 meshes, many of those on the side enclosing a large black ocellus 

 edged with whitish. Fins immaculate. 

 Rivers of Sumatra and Borneo ; Siam. 



a. One of the typical specimens. From Dr. Bleeker's Collection. 



b. Half-grown. Presented by the Royal College of Surgeons. 



c. Half-grown : stuifed. Siam. From M. Mouhot's Collection. 



29. Tetrodon liurus. 



Tetraodon leiurus, Bleek. Verh. Bat. Gen. xxiv. Blootk. pp. 18, 22, or 



Nat. Tyds. Ned. Ind. iii. p. 440. 

 Crayracion leiurus, Bleek. Atl. Ichth. Gymnod. p. 67, pi. 9. fig. 1. 



The whole body, with the exception of the fore part of the snout 

 and the caudal peduncle, is covered with small spines. Snout rather 

 depressed, produced, conical, the eye being conspicuously nearer to 

 the gill-opening than to the end of the snout. Interorbital space 

 flat, its entire width being equal to the length of the snout. 

 Brownish above, whitish below ; head and body, except in the 

 middle of the abdomen, with numerous larger and smaller round 

 dark -brown spots, some of which have a lighter edge. Fins im- 

 maculate. 



Rivers of Java, Sumatra, and Borneo. 



a. One of the typical specimens, 4^ inches long. From Dr. 

 Bleeker's Collection. 



C. A simple, nun-perforate nasal cavity with a frinrjerl cdye. Body spiny : 

 Chelonodon (Miill.j. 



'SO. Tetrodon patoca. 



Kappa, Bussell, i. p. 18, fig. 2-5. 



Tetrodon patoca. Ham. Buch. pp. 7, ."^GS, pi. 18. fig. 2 : Bihron, Rev. 

 Zool. 1855, p. 280. 



