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(1) SVL, males 17.0-24.7, n = 20; females, 23.9-28.2 (x = 26.1; n = 20); (2) disc of Finger III expanded; (3) length of Finger I = II; (4) fringe present on Finger II; (5) disc of Toe IV expanded; (6) fringe present on Toe IV; (7) outer tarsal fold present; (8) toe webbing formula I1—1 II1—2 III1.5— 2 IV2 —1V; (9) dorsolateral stripe absent; (10) oblique lateral stripe present, sometimes diffuse, or absent; (11) ventrolateral stripe absent; (12) discrete marks present on gular-chest region, but sometimes diffuse; (13) diffuse white or dark spots on abdomen; (14) Finger III not swollen in males; (15) testes white (Coloma, 1995). Colostethus bocagei is compared with those species that lack a dorsolateral stripe and have an oblique lateral stripe that is diffuse anteriorly or absent (C. awa, C. fuliginosus ). Colostethus bocagei is distinguished from C. awa by its more extensive webbing on the toes, and from Colostethus fuliginosus by having less toe webbing, less defined ventral color patterns, and a smaller size.

Description.—The lectotype (MNCN 1583) and paralectotype (MNCN 1584) are in poor condition. A redescription of these specimens is not useful because few external diagnostic characters can be described precisely. MNCN 1583 and 1584 of undetermined sex are approximately 26.5 and 22.5 mm in SVL, respectively. A combination of SVL and characters of the original description allows the association of this species with material collected in this century near the type locality in eastern Ecuador. Herein, I describe a specimen (KU 166106) from a series collected 2 km SSW of the Río Reventador, 1490 m, Provincia de Napo, on 20 March 1975 by J. E. Simmons. Female, 27.3 mm SVL; body moderately robust; head slightly longer than wide; head length 38.1% SVL; head width 34.8% SVL; snout bluntly rounded in dorsal view and profile; loreal region barely concave; nostrils slightly protuberant laterally; eye-nostril distance about half diameter of eye; supratympanic fold weak, diffuse, obscuring posterodorsal part of tympanum; diameter of tympanum 42.8% diameter of eye. Forelimbs moderately long; first finger shorter than second; fingers unwebbed, having narrow keellike lateral fringe; terminal discs expanded; disc on Finger III twice width of distal end of adjacent phalange; subarticular tubercles large, oval; metacarpal median tubercle large, rounded, barely elevated; inner metacarpal tubercle on base of Finger I elliptical. Hind limbs moderately robust; tibia length 46.9% SVL; foot length 41.4% SVL; outer tarsal fold present; inner tarsal keel sigmoid on distal two thirds of tarsus, continuous with fringe on free edge of first toe; outer metatarsal tubercle round, more than half size of elliptical inner metatarsal tubercle; toes webbed with lateral fringes; terminal discs expanded, about twice width of digits; subarticular tubercles small, round; supernumerary tubercles absent.Skin of dorsum, flanks, and venter smooth; tubercle elevated slightly behind the corner of the mouth; anal opening directed posteroventrally at midlevel of thighs, anal sheath moderately long; tongue elongately elliptical, slightly indented posteriorly, free posteriorly for about two thirds of its length (Coloma 1995).

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