L916.] NATURAL SCIEN< ES OF PHILADELPHIA. 393 



Adult male similar, excepl black on dorsal broken into numerous 



-mall rounded spots, and caudal base slightly mottled. Lower fins 

 whitish. Length 48 mm. 



A large female is uniform dark olive above, and paler or whitish 

 below. Fins all paler. Dorsal blotched with black m front a1 bas 

 and behind basally with some small black dots. Altogether a -cries 

 of six example-, and all show a black dorsal blotch. 



No orange spots on the scales are mentioned for Platypoecilus 

 tropicus Meek and Pcecilia tenuis Meek. Under .1/. sphenops Regan 

 says, 1 "often a dark spot on each scale of side of body" in female, 

 and in male "spots on sides rarely present." 



Cichlasoma spilurus (Gunther). 



Head 2|; depth 2\ to 2f ; D. XVII, 10, i; A. VIII or IX, 8, i; 

 snout 2\ to 2| in head; eye 3| to 4; maxillary 3i to 5; interorbital 

 2\ to 3|. In the small example general color olivaceous, with nine 

 vertical darker bars wider than interspaces along back and sides 

 above, fifth little enlarged medianly as jet-black blotch, and last at 

 caudal base similar. Fins all grayish, ventral brownish along front 

 edge. The larger example is obscure brownish generally, tinged with 

 moss-green on soft dorsal, anal, caudal, pectoral and sides of head. 

 Eight vertical dusky-brown bars, little broader than interspaces, 

 fourth and last black and greatly pronounced. Spinous dorsal, 

 anal and front ventral edge dusky, rest of fin like back. Iris slaty. 

 Lower lip pale. Two examples, 70 and 104 mm. long. 

 Cichlasoma alfari Meek. 



Head 2f to 2\; depth 2\ to 2\; D. XVII or XVIII, 10 or 11; 

 A. VII, 8 or 9; scales 20 or 21 in upper 1.1. (9 tubes in young), and 

 8 to 12 in lower 1.1. (3 tubes in young); snout 2\ to 3| in head; eve 

 3 to 3^; maxillary 3j to 4; interorbital 2\ to 3f. Color in alcohol 

 brownish above, paler to whitish below. Snout with grayish tinge. 

 A number of rather large gray-blue spots on preorbital region, 

 cheek, and opercles. Dusky streak from eye to suprascapula, along 

 side of body to caudal base above, ending in black pale-edged ocellus 

 about size of pupil. Six broad transverse dusky-olive bands cross 

 dark lateral streak, each much wider than interspaces. Behind 

 pectoral dark band broken regularly by pale vertical interspace-, 

 first and penultimate resulting dark blotches especially dark or 

 blackish. Costal region with pale round median spot, on each scale, 

 and hind edge of each scale also with dark vertical bar. Vertical 



1 Proc. Z. Soc. London, 1913, p. 1013. 



