129. TETKODONTID^ CHILOMYCTERUS. 
863 
1335. D. Iiystrix L. 
Back, sides, and flns with numerous small, round blackish spots. 
Spines strong, dilated at the base, with a pair of basal grooves; post- 
pectoral spines the longest, about as long as the pectoral fin, those of 
the posterior part of the back and tail short and broad, three-rooted 
and therefore not erectile; upper and lower part of the tail with two 
or three pairs of three-rooted, immovable, recumbent spines; frontal 
spines moderate. Head 3; depth 3J. D. 13; A. 13. In all tropical 
seas, north to Lower California and Florida. L. about 3 feet. 
- (L. Syst. Nat.; Giiuther, viii, 306: 1 Diodon sjiinosissimus Gunther, viii, 30r.) 
1336. D. iBOVeBSfiBiia.csaBatBis Cuvier. ^ 
Olivaceous, variously spotted, usually a broad blackish brown band 
between orbits, extending downward behind the eye; a second parallel 
to it across the nape; a large transverse subtriangular spot in middle 
of back; a kidney-shaped spot above pectoral; all these spots usually 
pale edged ; back and sides with small black si)ots. Spines varjing in 
length; upper part of tail without ossifications, but a pair of spines 
lying along-side, their base on the side of the dorsal; some tentacles 
usually present above eye and on throat, abdomen, and back ; 14 to 10 
transverse series of spines between snout and dorsal. Tropical seas, 
north to San Diego. 
{“Diodon lachetc’' Lac6p(3de, ii, 13: Diodon novemmacnlatus, sexmaculatus. quadrimac- 
uhitus, and miiltiinacnlaihs Cuvier, Mdm. Mus. Hist. Nat. iv, 136, 137, 1818: Diodon 
maculatiis Gunther, Viii, 307 : Diodon miiculaim Streets, Bull. U. S. Nat. Mus. vii, 43.) 
4§i.— CSISLOMYCTEKUS Bihron. 
Rahhit-fislies. 
(Bihron {Chilomiiciere, Revue Zool. 1846, 140); Kaup, Wiegin. Archiv. 1855,232: type 
Diodon geometrims Bloch & Schn.) 
Body broad, depressed, moderately inflatable. Dermal spines short, 
stout, immovable, triangular, eaeh with three roots; nasal tube simi^le, 
with two lateral openings; caudal peduncle short; fins small, formed 
as in Diodon; jaws without median suture. {yeTXoq^ lip; nuxrjg, nose, 
“l^^arines non closes an sommet, mais chacnne ayaut I’appareuce de 
deux levres, oil formee de deux tentaciiles reunis a la base.”) 
1337. C. g^eoBSiefa’iciiS (Bloch & Schn.) Kaup. — Rahhit-fisli ; Swell Toad. 
Greenish; belly pale; a round, black, ocellated spot above pectorals, 
not as large as eye, a larger one behind pectorals, another at base of 
dorsal, with a smaller one below it; back and sides with jiarallel black 
strifies of uniform width about as wide as the intersiiaces, those on the 
