298 GYMNODONTES. 



Var. (3. Numerous blackish loBgitudinal lines run along the abdo- 

 men, but do not ascend to the cheek ; the portion of the lines below 

 the ante- and postpectoral region is frequently darker tban the rest 

 (thus indicating the spots on var. a) : T. semistriatus, iniplutus, or 

 laterna. 



From the Red Sea to the Australian seas. 



0. Adult. East-Indian archipelago. From Dr. Blocker's Collection. 



p. Young. Amboyna. Purchased of Hr. Frank. 



q. Half-grown. Australia. From Mr. Strange's Collection. 



r. Adult (20 inches) : stuffed. Aneitcum. Collected, by Mr. McGil- 



livray. 

 s. Adult: stuffed. Piirchased. 



42. Tetrodon bondarus. 



Bondaroo kappa, Russell, i. pi. 27. 

 Tetrodon boudarus, Cant. Mai. Fish. p. 377. 



Very small spines cover the whole body, only the lips and hind- 

 most part of the tail being naked. Length of the snout more than 

 the width of the interorbital space, but less than half the length of 

 the head ; orbit rather prominent. Interorbital space flat. Upper 

 parts blackish olive, with numerous rounded brownish-white spots, 

 many of which are surrounded by a broad black ring, forming a 

 kind of interrupted network. Inside and behind the pectoral fin a 

 large black spot, in which a bright yellow half-ring ; a yellow spot 

 in front of the pectoral fin. On the side of the head a large black 

 spot like an erect horseshoe ; on the throat a round blacJc spot, 

 whence a widely arched black line ascends to each pectoral fin. Caudal 

 fin with indistinct whitish spots and a broad black margin. 



Pinang; Vizagapatam. 



a. Type of the species : skin (5§ inches long). Pinang. From Dr. 

 Cantor's Collection. 



43. Tetrodon erythrotsBnia. 



Tetraodon erythrotaenia, Bleek.Nut. Tyds. Ned. Ind. v. p. 174. 

 Crayracion erythrotaenia, Bleek. Atl. Ichth. Gymnod. p. G8, pi. 10. 

 fig. 4. 

 Spines not numerous, hidden in the skin, not extending on to the 

 snout and tail. Snout short and obtuse, not much longer than the 

 eye, which is one-half of the width of the flat interorbital space. 

 Eye in the middle of the length of the head. Length of the caudal fin 

 equal to its distance from the commencement of the dorsal. Upper 

 and lateral parts uniform brownish black, the lower white, both 

 colours being defined by a sharp line, which is red in life. 



Rivers of Celebes and Amboyna. .A small species. 

 a. One of the typical examples, 2| inches long. From Dr. Blocker's 



Collection. 

 h. Two a half inches long. Amboyna. Purchased of Mr. Stevens. 



