A Review of American DiodontidcB. 'M)7 



Ctclichthys Kaup, Wiegm. Arch., 231, 1855 (orbicularis), 

 Cyanichthys Kaup, Wiegm. Arch., 231, 1855 (ccendeus). 

 Diodon Bleeker, " Atl. Ichth. Gymnod.," 55, 1865 (plinga). 



This genus is well characterized by the form of the spines, 

 which are all broad, three-rooted and immovable. 



ANALYSIS OF THE SPECIES OF CHILOMYCTEHUS. 



a. Superciliary spines two, with generally a tentacle between them ; a spine 

 in middle of forehead. 

 b. Superciliary edge raised ; tins unspotted. 



c. Upper parts dark greenish, with a series of white and bluish lines 

 running from nape backwards ; a similar series between eyes and 

 across face ; an ocellated black spot above pectoral ; a larger one 

 behind pectoral ; an ocellated spot on each side of dorsal, and an 

 elongated spot behind each of the ventral antennas. 



Schcepfi, 3. 

 cc. Upper parts plain, without a series of lines ; spots as in Schcepfi. 



Spinostjs, 4. 

 bb. Superciliary edge not raised ; upper parts with numerous black dots, 

 some with a bluish centre ; a black spot in the middle of nape ; 

 a large kidney-shaped spot above the pectoral, and a subtriangu- 

 lar blotch before and along the base of the dorsal fin ; a series of 

 antennae along the lower part of the side. Antennatus, 5. 



aa. Supraorbital spines three, feeble ; none on forehead. Upper parts dense- 

 ly covered with small, round, blackish-brown spots ; a large black 

 blotch before and around dorsal ; another on each side above 

 gill-opening and pectoral ; spines short, compressed, anterior 

 root flat, longer than the others. - - Reticulatds, 6. 



3. CHILOMYCTERUS SCHCEPFI. 



The Toadfish, Schcepf, " Schrif ten Berlin. Gesellsch. Naturf. Freunde, 

 VII, 192," 1788 (Long Island). 



Diodon schcepfi Walbaum, Artedi, Pise, 601, 1792 (after Schcepf). 



? Diodon mevlini Walbaum, Artedi, Pise, 602, 1792 (no locality). 



Diodon geometricus var. linealus Bloch & Schneider, Ichth., 513, 1801 (after 

 Schcepf ). 



Chilomycterus geometricus Kaup, Wiegmann's Archiv, 1847. Gill, Cat. Fish. 

 E. Coast N. Am., 1861. Poey, Syn. Pise. Cub., 430, 1868 (Cuba). 

 Var. a&tl, Giinther, Cat. Fish. Brit. Mus., VIII, 310, 1870 (Ameri- 

 can waters). Cope, Trans. Amer. Phil. Soc, 480, 1870 (Tortugas). 

 Gill, Cat. Fish. East Coast N. Am., 15, 1873 (Vineyard Sound). Poey, 

 Enum. Pise. Cub., 171, 1875. Jordan & Gilbert, Proc. U. S. Nat. 

 Mus., 1878, 366 (Beaufort Harbor). Goode, Proc. U. S. Nat. Mus., 

 1879, 109 (Mouth of St. John, Indian River). Goode & Bean, Proc. 



