■i. TKTKODON. 277 



a little less than its distance from the dorsal fin. Caudal fin trun- 

 cate. IVie upper teeth scarcely half the size of the lower. The width 

 of the osseous intororbital sjiace is much less than the length of the 

 snout, not much more than the diameter of the eye. Upper half 

 brown or black, with irregular larger and smaller whitish spots ; 

 lower half white. Cheeks without cross bands. Caudal fin nearly 

 entirely bhick. 



Vert. 8/12. 



From the Cape of Good Hope to China. 



a-c. Adult and half-grown : stuffed. Cape. Presented by Sir A. 

 Smith. 



d. Adult : skin. Cape. From Gronow's Collection. 



e, f-cf. Half-grown and young. Cape. 



h. Adult. Borneo. Presented by Sir J. Richardson. 



i. Adult. Celebes. From Dr. Bieeker's Collection. 



h. Adult. China. From the Haslar Collection. — Type of jT. «<r«<(ts. 



l-m, n-o. Adult (9 inches). 



p-r. Adult : skeleton. 



7. Tetrodon hypselogenion. 



Tetrodon honckenii, R'dpp. Ail. Fisch. p. 05, taf. 17. fig. 2 (uot Bl. ). 



hypselogeueion, Bleak. Nat. I'yds. Ned. Ind. iii. p. 300, or Verh. 



Bat. Gen. xxiv. Blootk. p. 24, or Atl. Ichth. Gpmiod. p. 61, pi. 9. 



fig. 5. 



Back from the interorbital space to near the dorsal fin, and nearly 

 the entire abdomen, with spines, which arc rather distantly placed 

 and, comparatively, uot very small ; a cross band unites the dorsal 

 and abdominal spines behind the pectoral fin, the remainder of the 

 side being naked. The length of the head equals its distance from 

 the dorsal fin. Caudal fin truncate. The upper teeth more than 

 half as large as the lower. The osseous interorbital space very 

 narrow, narrower than the eye. Above brown or black, with nume- 

 rous small round whitish spots. Sides with a broad silvery band, 

 which, in Australian examples, is separated fr.)m the colour of the 

 back by a deep black longitudinal stripe, and sometimes has another 

 similar but shorter stripe along its middle. Lower parts white. 

 Gheeh with from three to five suhvertical broivn ba^'s. 



Vert. 7/13. 



From the east coast of Africa to Australia. 



a, b-c. Half-grown. Zanzibar. Presented by Lieut.-Col. Play- 

 fair. 



d. Half- grown : stuff'ed. Zanzibar. Presented by Lieut.-Col. Play- 



fair. 



e. Adult. Seychelles. From E. P. Wright's Collection. 



f. Half-grown. East-Indian archipelago. From Dr. Blocker's 



Collection. 

 7. Half-grown. Feejec Islands. Voyage of the * Hrmld.' 

 h. Aduh (-3 inches). Australia. Purchased of Mr. Siovci;..-. 



