194 MEMOIRS ON THE COLEOPTERA 



fifths the basal width; first and second striae rather strong, subequal, 

 the third and fourth feebly glimpsible; foveae before three and at six 

 sevenths. Length 2.0 mm.; width 0.8 mm. Isthmus of Panama 

 (Colon), Beaumont *panamensis n. sp. 



Color as in the preceding. Form narrower and more parallel, feebly 

 convex, rather strongly shining; head large, more than three-fourths 

 as wide as the prothorax; eyes moderate but very prominent; sulci 

 distinct, converging; antennae fusco-testaceous, paler at base, nearly 

 four-fifths as long as the elytra, the second joint a fourth longer than 

 the third, the medial joints just twice as long as wide; prothorax 

 short, fully four-fifths wider than long, widest near apical third; 

 base and apex equal; sides broadly rounded, straight basally, the 

 apices of the very obtuse angles minutely prominent; subbasal sul- 

 cus moderate in depth, broadly arcuate; elytra one-half longer than 

 wide, two-fifths wider than the prothorax, circularly rounded behind, 

 the parallel sides broadly and feebly arcuate, the humeri rather 

 abruptly rounded; pedicel a little less than half the basal width; 

 surface sometimes feebly infumate posteriorly; first two striae sub- 

 equal, distinct but not deep, the third feeble, the fourth barely glimps- 

 ible; anterior fovea at two-fifths. Length 1.8-2.3 rnm.; width 0.68- 

 0.85 mm. Arizona vorax Lee. 



Color rufous, the head scarcely at all darker; elytra with a posterior sub- 

 iridescent blackish cloud. Under surface rufous, the legs flavate; 

 head fully three-fourths as wide as the prothorax, the eyes large, 

 moderately prominent; sulci moderate, rather convergent; antennae 

 fuscous, paler at base, three-fourths as long as the elytra, the medial 

 joints just twice as long as wide, the second very much longer than 

 the third; prothorax one-half wider than long, the sides anteriorly 

 broadly rounded, oblique and straight posteriorly, the angles obtuse, 

 broadly reflexed, not prominent but not distinctly blunt, well de- 

 fined; subbasal sulcus deep, arcuate; elytra one-half longer than 

 wide, not 'quite one-half wider than the prothorax, parallel, with 

 feebly arcuate sides, circularly rounded at apex; first two striae dis- 

 tinct, three to five barely glimpsible; foveae as in the preceding. 

 Length 2.0 mm.; width 0.73 mm. Florida (Lake Worth), Kinzel. 



pumilus Dej. 



Color uniform dark brownish-rufous throughout; under surface piceous, 

 the legs more flavate. Surface shining, moderately convex; head 

 over two-thirds as wide as the prothorax, the eyes moderate in size 

 and prominence; sulci slightly converging; antennae fuscous, paler 

 at base, four-fifths as long as the elytra, the medial joints fully twice 

 as long as wide, the second slightly though evidently Ipnger and 

 thicker than the third; prothorax two-fifths wider than long, widest 

 at apical third ; base fully as wide as the apex, if not somewhat wider; 

 sides moderately rounded anteriorly, oblique in basal half, gradually 

 slightly though distinctly sinuate basally, the angles very obtuse, 

 broadly reflexed, not prominent, but also scarcely blunt; anterior 

 impression evident, the posterior rather deep, subangulate, the me- 

 dian stria strongly impressed; elytra two-fifths longer than wide, one- 

 half wider than the prothorax, broadly parabolic in apical two-fifths, 



