3. TETRODON. 305 



head witli small rounded bluish spots. liluish horizontal lines in 

 front of the eye, crossing the snout. Caudal fin with undulated sub- 

 vertical lines. No band on the side of the mouth. Upper profile 

 of the snout straight. Only the anterior half of the fish is covered 

 with minute spines. 



Vert. 8/9. 



East-Indian archipelago. 



a, Adult. East-Indian archipelago. From Dr. Bleeker's Col- 



lection. 



b, c. Adult. Amboyna. 



d. Half-grown. Philippine Islands. From Mr. Cuming's Col- 



lection. 



e. Adult : skeL ton. Amboyna. Purchased of Hr. Frank. 



58. Tetrodon rivulatus. 



Tetraodon rivulatus, Schh//. Fai/n. Japun. Poiss. p. 285, pi. 124. fig. 3. 



No black dorsal si)ot. Upper parts with fine undulated blue lines 

 running in various directions on the neck and anterior half of the 

 back, longitudinal on the upper side of the snout and tail, and de- 

 sccndiag on the cheeks and side of the snout. Abdomen and sides 

 with numerous orange-coloured dots. Side of the tail Avith two 

 brownish longitudinal bands running forward to the giU-opening 

 and disappearing Avith age (in specimens 6 inches long). Caudal 

 fin with obli(juc and irregular blue lines. Tail spineless. (ScMeg.) 



Nagasaki. 



59. Tetrodon valentini. 



Valent. Anih. p. ."ioS, fig. 19; p. 408, fig. 195; Jicuard, 3Iol. i. tab. 39 



(fig. not numbered) ; ii. tab. 6. fig. 29; tab. 49. fig. 204 ; tab. 53. 



fig. 227; Em/scIi, Amb. p. 8, tab. 4. fig. 19; p. 12, tab. 7. fig. 7; p. 29, 



tab. 15. fig. 9. 

 Ostracion, sp., Gronov. Mus. p. 55. no. 126; Zooj)hyl.i^. 50. no. 184. 

 Tropidichthys s. Aiiosmius s. Psilonotus s. Canthogaster valentini, 



Uleek Nat. Tyds. Ned. Lid. iv. p. 130 ; Atl. Ichth. Gynuwd. p. 80, 



pi. 4. fig. 1. 

 Ilolocanthus balistajfovmis, Gronov. Syst. ed. Gray, p. 25. 

 Tetrodon (Anosraius) tteuiatus, Peters, Wicyyn. ArcJi. 1855, p. 275. 



Body with four rather irregular brownish-black cross bands : the 

 first on the occiput ; the second above the root of the pectoral fin, 

 and continued below it ; the third in front of the dorsal fin, descend- 

 ing nearly to the abdominal edge ; the fourth on the bade of the 

 tail. The light-coloured parts of the body are covered with numerous 

 orange ocelli. 



Indian Ocean and archipelago. 



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



Collection. 

 h. Adult. Amboyna. Purchased of Hr. Frank. 



c, d, e. Adult. Zanzibar. Presented by Lieut.-Col. Playfair. 



/. Adxilt : stutt'ed. Zanzibar. Pi'esonted by Lieut.-Clol. Playfair. 



VOL. VITI. \- 



