300 (JiMNODONXES. 



parts black with vermiculated greenish lines, or greenish with round 

 black spots ; lower parts uniform whitish, or blackish, or with nu- 

 merous irregular black spots. 



Fresh waters and coasts of the East Indies. 



a. Adult (6 inches). Ceylon. Presented by Sir J. E. Teunant. 



b. Half-grown. Malabar. From Mr. Day's Collection. 



c. Young. Singapore. 



d-e. Adult and half-grown : skins. Pinaug. From Dr. Cantor's 



Collection. — Types of 2\ simalans. 

 f-h. Half-grown and young. Eorueo. Presented by the Marquis 



Doiia. 

 i-h. Half-grown and young. Borneo. 

 I. Adult ((j:t inches). East-Indian archipelago. Fi'om Dr. Blocker's 



Collection. — One of the types of T. jjotamophilus. 

 m, n. Half-grown. East-Indian archipelago. From the Collection 



of Dr. van Lidth de Jeude. 

 0. Hall'-gro^\Ta. Philippine Islands. Purchased of Mr. Cuming. 

 p. Half-grown : stuffed. India. 



II. JVasal uryans quite inconspicuous. Back compressed into a keel : 

 Anosmius {Ptrs.). 



47. Tetrodon margaritatus. 



? Paterscm, Phil. Trans, vol. Ixxvi. p. 382, tab. 13. 



P Tetrudou electricus, Gm. L. i. 1440 ; Bl. Schn. p. 507. 



Tetraodou margaritatus, Jiiipp. Atl. Fisch. p. GG. 



Tetrodou solaudri, Richards. Voy. Sul^ih. Fish. p. 125, pi. 57. figs. 4- 



6 ; Voy. Samarany, Fish. p. 19. 

 insignitus, Richards. Voy. Samarany, Fish. p. 20, pi. 9. figs. 1 & 



2 (these figm-es are twice the natural size). 

 petersii, Bianconi, Mem. Acad. So. Inst. Bonon. vi. 1805, p. 147, 



pi. 2. fig. 2. 

 ocellatus, Peters, Wieym. Arch. 1855, p. 274, or Monatsb. Ak. 



Wiss. Berl. 1855, p. 402. 



A large black ocellus edged with blue on the back on each side 

 of the dorsal tin. The srioui, sides, and caudal Jin with yellowish 

 durlc-edged ocelli of the size of the i^ujiil of the eye. On the upper 

 parts the markings are more or less coutluent, forming transverse 

 or angular bluish dark-edged hues ; they are most constant round 

 the eye and on the back of the taU. All the lines round the eye are 

 subhorizontal, none vertical. Also, on the posterior part of the caudal 

 fin the ocelli are replaced by subvertical bands. No band on the 

 side of the mouth. Upper profile of the snout shghtly concave. 

 Nearly entirely covered with mumtc spines. 



Vert. 8/9. 



Eastern coasts of Africa ; Tahiti. 



a, h, c-d. Adult and half-grown. Zanzibar. From Lieut.-Col. 



Playfair's Collection. 

 e. Adult : stuffed. Zanzibar. From Lieut.-Col. Playfair's Collec- 

 tion. 



