129. TETRODOXTID^ CHILOMYCTERUS. 8G3 



1335. D. hystrix L. 



Back, sides, and flns with numerous small, round blackish spots. 

 Spines strong, dilated at the base, with a pair of basal grooves; i)ost- 

 pectoral si)ines the longest, about as loug 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 3^. D. 13; A. 13. In all tropical 

 seas, north to Lower California and Florida. L. about 3 feet. 



(L. Syst. Xat. ; Giiuther, viii, 30G: 1 Diodon spinonisaimus Giiiitber, viii, 307.) 



1336. D. noveinEnacBilatus Cavicr. 



Olivaceous, variously spotted, usually a broad blackish brown band 



between orbits, extending downward behind the eye; a second i)arallel 



to it across the nape; a large transverse subtriangular spot in middle 



of back; a kiduey-sbaped spot above pectoral; all these spots usually 



pale edged ; back and sides with small black spots. Spines varying in 



length ; upper part of tail without ossifications, but a x^air of spines 



lying along-side, their base on the side of the dorsal; some tentacles 



nsually 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. 



{'^Dhcloii lachctc" Laccp<>(le, ii, 13: Dlodon novemmocuJafus, scxmaculatiis. qitadrimac- 

 idatuft, ami mullimacnlaths Cuvier, M^in. Mns. Hist. Nat. iv, 138, 137, 1818: Diodon 

 7HucuIaf(is Giinthcr, viii, 307: Diodon macitJaius Streets, Bull. U. S. Nat. Mus. vii, 43.) 



484.— CHILOMYCTERUS Bibron. 



Bahh if -fishes. 



(Bibrou {Cltilomijclerc, Eevno Zool. 184(1, 140); Kaup, Wiegm. Arcliiv. 1855,232: type 

 Diodon f/eometriciis IJlocli & Scliii.) 



Body broad, depressed, moderately inflatable. Dermal spines short, 



stout, immovable, triangular, each with three roots; nasal tube simple, 



with two lateral openings; caudal peduncle short; fins small, formed 



as in Diodon^- jaws without median suture. (/r?A<(c, lip; fj.o/.yjf), nose. 



"Xariues non closes an sommet, mais chacune ayant rapparence de 



deux levres, on formre de deux tentacules reunis a la base.") 



1337. C. geoJBlctraCHS (Block & Scliii.) Kanp. — Rahbit-Jhh ; Swell Toad. 



Greenish; belly pale; a round, black, ocellated spot above i)ectorals, 

 not as large as eye, a larger one behiiul pectorals, another at base of 

 dorsal, with a smaller one below it; back and sides with parallel black 

 stripes of uniform width about as wide as the interspaces, those on the 



