76 
Psyche 
[June 
Sides of prothorax scarcely or not sinuate before the 
basal angles, which are more obtuse; other characters 
variable 26 
26. Color usually castaneous or darker ; head and prothorax 
relatively narrower; antennae more slender (middle 
joints more than twice as long as wide) ; first joint male 
front tarsus wider and with outer apical angle more 
strongly produced; size ±21/2 mm. 
Tachys corruscus Lee. 
Color testaceous with head much darker ; head and pro- 
thorax relatively wider; antennae stouter (middle joints 
less than twice as long as wide) ; first joint male tarsus 
smaller; size 2 mm. or slightly less 
Tachys vorax Lee. 
27. Head moderate ; prothorax not especially large ; size 
about 1% mm. Micratopus insularis n. sp. 
Head very small; prothorax relatively very large; size 
±2 mm. (PI. 5, fig. 3) Micratopus parviceps n. sp. 
28. Form slender ; head relatively small ; length 11/2-1% mm. 
(PI. 5, fig. 2.) Limnastis americanus n. sp. 
Form less slender; head relatively large; length barely 
over 1 mm. Limnastis capito Bates. 
Bembidion (Peryphus) jamaicense n. sp. 
Moderately slender, convex, upper surface faintly aluta- 
ceous but rather shining; dark rufous, appendages testa- 
ceous. Head rather long; eyes prominent; antennae slender; 
front with inconspicuous median puncture; frontal sulci 
moderate, parallel; mentum with rounded-triangular tooth 
at middle. Prothorax subcordate, about one-third wider 
than long (by measurement) ; basal angles acute but not 
much more than right, strongly carinate; disk with trans- 
verse impressions moderate, longitudinal line strong. Elytra 
with first and second striae entire, third nearly entire, fourth 
to sixth obliterated near apex except fifth apically sulciform, 
seventh indicated by a few faint punctures in basal half, 
eighth near margin; striae moderately punctate basally, 
