492 Storer’s Synopsis of the Fishes of North America. 
divided internally into laminz, the general appearance of which somewhat re- 
sembles the bill of a parrot, and which is essentially composed of true 
teeth united together, and succeeding one another in proportion as there are 
any worn out by trituration. Opercula small ; their rays five in number. 
GENUS I. DIODON, Lin. 
Jaws undivided, presenting but one piece above and below. Behind the 
trenchant edge of each is a round part, furrowed crosswise, which forms a 
powerful instrument of mastication. No ventral fins. Skin armed with slen- 
der prickles or stout spines. 
1. Diodon maculato-striatus, Mrrcuitu. 
Body subcubical. Greenish, with numerous meandering, olive-brown stripes, and a few 
dark-colored, large blotches, margined with green. The whole surface, except the chin and 
tail, covered with sharp, recurved, triangular, compressed spines, each with a trifid base. 
Tail even. q 
D.13. P.24. A.12. C.9. Length, 5 to 7 inches. 
Connecticut, Lrnsuex, Ayres. New York, Mrrcniizi, Deray. 
Diodon maculato-striatus, Spot-striped Diodon, Mrrcuim, Trans, Lit. and Phil. Soc. of N. Y., 1. p. 470, pl. 6, 
Sah Cuv., Mémoires du Muséum d’Hist. Nat., tv. p. 129, pl. 6. A 
Diodon maculato-striatus, Spot-striped Balloon-fish, Dexay’s Report, p. 323, pl. 56, fig. 135. 
a * (Murer), Ayres, Bost. Journ. Nat. Hist., rv. p. 234. 
pi? a Livstey’s Cat. of Fishes of Connecticut. 
Diodon fuliginosus, Unspotted Balloon-fish, Dexay’s Report, p. 324, pl. 56, fig. 181 (young). 
2. Diodon pilosus, Mrreuriy. 
Body oblong, cuboidal. Brownish above ; ashy-white beneath; on the back and along 
the sides, several oblong, distant, blackish-brown spots. Every part of the body except a 
small space round the mouth and eyes, and another including the base of the caudal fin, 
furnished with soft, flexible bristles, of a metallic golden color. Caudal lanceolate. 
D.12. P.20. A. 14. C.9. Length, 2 to 4 inches. 
New York, Mircuiur, Dexay. 
Diodon pilosus, Hairy Diodon, Mircurxt, Trans. Lit. and Phil. Soc. of N. Y., 1. p. 471, pl. 6, fig. 4. 
Diodon asper, Cuy., Mémoires du Muséum d’Hist. Nat., tv. p. 138, 
Diodon pilosus, GrrrFirH’s Cuv., x. p. 567. 
a “« Hairy Balloon-fish, DEKay’s Report, p. 326, pl. 59, fig. 180. 
8. Diodon verrucosus, Mircuiny. 
Body cuboidal, oblong, small. Cinereous-brown above; yellowish white beneath. With 
rounded areola, from which arise soft, flexible spines. Caudal long, emarginate. 
