178 
Psyche 
[December 
as usual. Head barely narrower than prothorax by meas- 
urement, appearing at least as wide; eyes very prominent; 
temples very briefly subparallel behind eyes ; front shining, 
lightly punctate; antennae slender, middle joints 3 1 4-4 
times long as wide; mentum toothed as usual. Prothorax 
cordate, % or less wider than long; least width before 
basal angles slightly less than 2/3 greatest width; sides 
very strongly sinuate before basal angles ; latter very acute, 
directed almost laterally; sides of base oblique or some- 
what emarginate near angles; lateral margins entire, nor- 
mal, more or less crenate posteriorly ; disk finely, moder- 
ately closely (not densely) punctate; impressions as usual. 
Elytra rather finely and closely punctate ; sutural stria 
entire except at base, 2 or 3 other striae faintly indicated, 
3rd 3-punctate as usual. Male with 2 basal joints each 
front tarsus moderately dilated. Length 2. 7-3. 3; width 
0.9-1. 1 mm. 
Haiti and Puerto Rico: holotype s (M. C. Z. no. 22019) 
and 43 paratypes from Ennery, Haiti, Sept. 6-11. Also the 
following specimens, not types: Haiti: 2, Riviere Froide, 
Oct. 3; 11, Camp Perrin, Oct. 8-27; 5, northeastern foot- 
hills La Hotte, 2,000-4,000 ft., Oct. 10-24; Puerto Rico: 2, 
Serralles Finca, Ponce, June 5, 1934, R. G. Oakley (U. S. 
N. M.). All my specimens were taken in gravel beside 
swift, clear streams. 
Similar to the previously know West Indian Perileptus 
( cf . Darlington, Psyche 41, 1934, pp. 86-88) and like them 
a member of the areolatus group, but easily known by the 
very acute posterior prothoracic angles. 
Perileptus minutus n. sp. 
Slender, depressed; testaceous or rufo-testaceous, rather 
shining; pubescence as usual. Head barely narrower than 
prothorax ; eyes prominent ; temples very briefly sub- 
parallel behind eyes; front obsoletely punctate, shining; 
antennae relatively stout, middle joints 2-21/4 times long 
as wide; mentum toothed. Prothorax subcordate, about 
1/8 wider than long, sides narrowed, sinuate, and then 
subparallel before right posterior angles; latter not truly 
basal, set slightly forward from the base so that prothorax 
is very briefly pedunculate; width across basal angles 2/3 
