THE PISHES OF MALABAR. 
255 
Sub-order GYMNODONTIDtE. 
Fam. TETRAODONTOIDEI, Meeker. 
Sub-Fam. TETRAODQNTIFORMES, Sleeker. 
Group TETRAODONTINX, Sleeker. 
Genus TETEAODON, Linn. 
Lagocephalus, Swainson. 
Physogaster, gastrophysus, et cheilichtpiys, Mull. 
Stenometopus, promecocephalus, amblyrhyncpiotus, geneion, cataphorhynchus, et 
BATRACHOPS, Bib. 
Anchisomus, pt. Kaup. 
Brachycephalus, et apsicephalus, pt. Boll. 
Uranostoma, et pleuranacanthus, Mus. Par. 
Branchiostegals, from four to sis. Body oblong, not keeled. The maxillae and intermaxillaries 
soldered together, and appearing like a parrot’s bill invested with dentary enamel, trenchant, and divided 
or continuous in the mesial line. Nostrils in the shape of small foraminae, perforating either side of a 
more or less elevated papilla. Body partially spined or altogether smooth. Dorsal and anal fins short. 
Branchial orifice consisting of a slender slit. Vertebral column with never more than thirty vertebrae, of 
which ten or less belong to the trunk. 
Tetraodon LUNARIS. 
Tetraodon lunaris, Cuvier , Peg. Aii. Ed. 1, ii. p. 148 ; Cantor , Catal. p. 378 ; 
Bleeker , Atl. Icli. v. p. pi. 205, f. 2. 
Kappa koorawah, Russell , pi. 30. 
Tetrodon tepa, Ham. Buck. pp. 10, 362. 
Tetrodon leiopleura, Gray , Ill. I. Z. i. pi. 87, f. 2, (young.) 
B. v. D. 12-14. P. 16-19. A. 11-12 C. 8-11. 
Length of head ^, of pectoral , of caudal p of base of dorsal jig, of base of anal of' 
total length. Height of head 1, of body A of dorsal y, of anal 4 of the total length. 
Eyes—Close to profile, diameter y 3 () of length of head, 1|- diameters from end of snout, and 
Ilf diameters apart. 
The body tapers off considerably towards the tail, and the width of the orbits is equal to two- 
thirds of its height when uninflated. 
Nasal papilla oval, perforated on either side by an opening of the nostril; it is situated 
midway between the orbit and muzzle. 
Fins—Dorsal situated rather behind the posterior third of the body, its first ray unbranched : 
it is elevated in front and pointed: anal of the same shape, its first ray undivided : pectoral 
rounded: caudal with its posterior margin rather crescent-shaped, its external longest ray 
unbranched. 
Spines—Short and crowded over the chest, and summit of the head. 
Lateral line—Commences in the form of an irregular circle, surrounding the eye, and when 
