SPAROID FISHES OF AMERICA AND EUROPE. 5d 
Subfamily XII—APLODACTYLINZ. 
XLVI. APLODACTYLUS. 
Aplodactylus Cuv. & Val., vu, 476, 1831 (punctatus). 
Haplodactylus Giinther, 1, 434, 1859 (corrected orthography, same type). 
Type: Aplodactylus punctatus Cuv. & Val. 
Etymology: dzidos, simple; ddxtvido-, finger, from the unbranched 
pectoral rays. 
This 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 AMERICAN SPECIES OF APLODACTYLUS. 
a. [Body and fins everywhere finely spotted with black, the ground color brownish- 
red; body moderately elongate; the head bluntish, formed as in Girella; scales 
very small; caudal lunate; soft dorsal higher than spinous; anal fin short and 
high; incisors tricuspid; simple pectoral rays 6; D. xvt—21; A. III, 8; ceca 
2 (Gather; Cun, & Fils oud. eeoase dae. os. - swe es J--> --ss RUNOTATUS, 156: 
aa. Body not everywhere spotted with black. 
b. Color brownish gray, vermiculated with brown; fins brown-spotted; incisors 
tricuspid. D. xv-1, 20; A. m1, 8. (Gay fide Giinther.) VErMICULATUS, 157. 
bb. Color yellowish, dotted all over with white. D.xv-1, 20; A.10,7. (Gay fide 
Grunthen) es S52 fastee oe oe Fan oo Pee sels Sees dasc we Seca oeciosis GuUTTATUS, 158. 
156. APLODACTYLUS PUNCTATUS. 
Aplodactylus punctatus Cuv. & Val., vit, 477, pl. 242, 1831; Jenyns, Zobél. Beagle, 
15, 1842; Gay, Hist. Chile, m1, 156. 
Haplodactylus punctatus Giinther, 1, 434. 
Aplodactylus reginew (Valenciennes) Gay, 1. c., “11, 158, lam. 1, f. 2.” 
Habitat: Coast of Chile. 
Etymology: Punctatus, speckled. 
This species is known to us from descriptions. 
157. APLODACTYLUS VERMICULATUS. 
Aplodactylus vermiculatus Gay, 1. ¢., 11, 159, lam. 1, 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: Guttatus, with spots like raindrops. 
A scarcely known species, apparently to be recognized by its colora- 
tion. 
