276 BUFONID®, 
Head small; snout prominent; interorbital space not quite so 
broad as the upper eyelid; tympanum hidden. Fingers slender, 
first not extending bey ‘ond second ; toes moderate, quite free; tips 
of fingers and toes slightly swollen; subarticular tubercles very 
prominent ; two small Sie aia tubercles ; a conical tubercle on 
the middle of the inner edge of the tarsus. The hind limb being 
carried forwards along the body, the tibio-tarsal articulation reaches* 
in the middle between the shoulder and the eye. Upper surfaces 
covered with very prominent warts; parotoids none ; lower surfaces 
smooth, except under the thighs. Greyish olive above, with darker 
markings ; limbs cross-barred; belly spotted with blackish ; throat 
and breast greyish, with a light median line. (Male with a large 
subgular vocal sac.) 
C. America; Colombia. 
Bx 2s Tehuantepec. Brussels Museum [E.]. 
2. Engystomops stentor. 
Bufo stentor, Espada, An. Soc. Esp. 1. p. 84. 
? Bufo (Microphryne) pustulosus, Peters, Mon, Berl, Ac, 187 Le p. 616, 
Peralaim os stentor, Espada, Viaj. Pacif., Vert. p. 163, pl. 2. f. 4. 
Head small ; snout prominent ; interorbital space as broad as the 
upper eyelid; tympanum more or less distinct, three fourths the 
width of the eye. Fingers slender, first extending beyond second ; 
toes slender, with a rudiment of web; tips of fingers and toes 
swollen ; subarticular tubercles very prominent; two small meta- 
tarsal tubercles ; a conical tubercle on the middle of the inner edge 
of the tarsus. ‘The hind limb being carried forwards along the body, 
the tibio-tarsal articulation reaches the eye. Upper surfaces covered 
with small warts; a flat, more or less indistinct parotoid ; lower 
surfaces smooth, except under the thighs. Blackish brown above, 
the warts lighter ; a few brown bands across the limbs ; belly and 
lower surface of limbs largely marbled with blackish brown; throat 
and chest brown, with a light median line. Male with a large sub- 
gular vocal sac. 
C. America; Colombia; Keuador. 
BeOS. Sarayacu, Ecuador. Mr. Buckley [C.]. 
Gingee Canelos, Ecuador. Mr. Buckley POH. 
3. Engystomops petersii. 
Engystomops petersi, ee An. Soc. Esp. i. p. 86, and Viaj. Pacif., 
Vert. p- 160, pl. 2. f. 3 
Head very small; snout prominent; tympanum very distinct, 
half the width of the eye. Fingers slender, first not extending 
beyond second ; toes slender, with a rudiment of web; tips of fingers 
and toes swollen ; subarticular tubercles very prominent ; two small 
metatarsal tubercles; a conical tubercle on the middle of the inner 
