SPAROID FISHES OF AMERICA AND EUROPE. 539 



Subfamily XII.— APLODACTYLINiE. 

 XLVI. APLODACTYllUS. 



Aplodactylus Cuv. tk Val., viii, 476, 1831 (punciatus). 



Haplodactylus Glinther, i, 434, 1859 (corrected orthoorapby, same type). 



Type: Aplodactylus punctatus Cuv. & Val. 



Etymology: drzUcx;, simple; ddxruhi^, finger, from the uiibrauched 

 pectoral rays. 



Tliis genus contains some half dozen herbivorous fishes of the South 

 Pacific. The three species accredited to the coast of Chile are scantily 

 described, and none of them have been examined by us. 



ANALYSIS OF AMKRICAN SPECIES OP APLODACTYLUS. 



a. [Body and fins everywhere finely spotted with black, the ground color brownish- 

 red; body moderately elongate ; the headbluntish, formed as in Glrella; scales 

 very small; caudal Innate ; soft dorsal higher than spinous; anal liu short and 

 high; incisors tricuspid; simple pectoral rays 6; D. xvi-21; A. iii, 8; cceca 

 2.] ( aUnther; Cuv. 4- Val.) Punctatus, 156. 



aa. Body not everywhere spotted with black. 



h. Color brownish gray, vermiculated with brown; fins browu-spotted ; incisors 



tricuspid. D. xv-i, 20; A. iii, 8. (Gay fide (xiinther.) Vermiculatus, 157. 



hb. Color yellowish, dotted all over with white. D. xv-i, 20; A. iii, 7. (Gay fide 



Giinther) , Guttatus, 158. 



156. APLODACTYLUS PUNCTATUS. 



Aplodactylus punctatus Cuv. & Val., viil, 477, pi. 242, 1831; Jenyns, Zool. Beagle, 



15, 1842; Gay, Hist. Chile, il, 156. 

 Haplodactylus punctatus Giinther, I, 434. 

 Aplodactylus regino} (Valenciennes) Gay, 1. c, "ii, 158, lam. i, f. 2." 



Habitat : Coast of Chile. 



Etymology : Punctatus, speckled. 



This species is known to us from descriptions. 



157. APLODACTYLUS VERMICULATUS. 



Aplodactylus vermiculatus Gay, 1. c, li, 159, lam. i, f. 1 (Valparaiso). 



Habitat: Coast of Chile. 



Etymology : Vermiculatus, with markings like worm tracks. 



A doubtful species, known only from Gay's description. 



158. APLODACTYLUS GUTTATUS. 



Aplodactylus guttatus Gay, 1. c, 160 (Chile). 



Habitat : Coast of Chile. 



Etymology: Outtatus, with spots like raindrops. 



A scarcely known species, apparently to be recognized by its colora- 

 tion. 



