678 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [80] 



with S. lacrimosum that we regard the latter species as identical, and 

 we know of no character by which to separate 8. atomarium. 



A specimen sent by Poey to Cambridge seems to belong to 8. radians. 

 Color, in spirits, mottled brown, the caudal similarly mottled and 

 faintly barred; no dark axillary spot; head plain; dorsal mottled. 

 Caudal short, truncate, tubes of lateral line little branched ; body rather 

 elongate, the depth 3 J in length ; pectoral short ; two strong pos- 

 terior caniues, before which are several smaller pointed teeth. Another 

 specimen has four pointed teeth on each side of upper jaw. This may 

 represent Sparisoma atomarium. 



Goode describes the life colors of the fish called by him 8. radians as 



follows : 



Above olive tinged with reddish brown, beneath rose-color; head, upper part of 

 body, and dorsal marbled with brown ; caudal irregularly banded with black, the 

 extremity and spots on the membrane white; anal immaculate; base of pectorals 

 black ; chin white. 



This is perhaps Sparisoma xystrodon, and doubtless hoplomystax, ra- 

 dians, and xystrodon have been confounded by authors under the name 



radians. 



99. SPARISOMA XYSTRODON. 



Sparisoma xystrodon Jordan & Swain, & Proc. U. S. Nat. Mus., 1884, 99 (Key West; 

 Havana) ; Jordan, 1. c, 137 (Key West) ; Bean, Bull. U. S. Fish. Com., 1888, 

 198 (Coznmel). 



Habitat. — West Indian fauna, Florida Keys ; Cuba, St. Lucia. 



Etymology: Ebaxpov, a scraper; 68obc;, tooth. 



This species is found in the eel-grass and Fucus about Key West, in 

 company with S. hoplomystax, and is equally abundant with the latter. 

 It reaches a still smaller size, none of the many specimens obtained 

 exceeding 5 inches in length. These are sexually mature. 



One or two specimens of this species were seen in the market at Ha- 

 vana, and many specimens were obtained by the Albatross at St. Lucia. 



Genus XXIX. -SCARUS. 



Callyodon Gronow, Museum Ichthyol., ii, 8, 1764 (non-binomial) (croicensis). 



Scarus Forskal, Descr. Animal, etc., in Orient. Observ. 1775, 25 (psittacus, etc.), (not 

 of Gronow, 1764, which (non-binomial) = Labrus L.). 



Calliodon Bloch & Schneider, Syst. Ichthyol., 1801, 312 (Uneatus = croicensis). 



Hemistoma Swainson, Class'n, Fishes, etc., 1839, ii, 226 (reticulatus Sw. = pepo Ben- 

 nett). 



Petronason Swainson, Class'n, Fishes, etc., 1839, ii, 226 (psittacus, etc.). 



Erychthys Swainson, Class'n, Fishes, etc., 1839, ii, 226 (croicensis, etc.). 



Chlorurus Swainson, Class'n, Fishes, etc., 1839, ii, 227 (gibbus). 



Callyodon Gronow, Systema, Ed. Gray, 1854, 83 (Uneatus, etc.). 



Pseudoscarus Bleeker, Versl. Akad. Wet. Amsterd., xii, 1861, Scaroid, 3 (chlorodon, 

 psittacus, etc.). 



Pseudoscarus Giinther, Poey, Guicheuot et Auct. 



Scarus Jordan & Gilbert, Syn. Fish N. A., 1883, 938 (psittacus, guacamaia). 



Calliodon Jordan, Proc. U. S. Nat. Mus., 1886, 591 (croicensis). 



m 



Type : Scarus psittacus Forskal. 



