206 Trans. Acad. Sci. of St. Louis. 



rather broadly rounded basal angles and nearly straight; elytra small, 

 only slightly longer than wide, but little wider than the head, about a 

 fourth wider than the prothorax but only just visibly longer; pronotal 

 bypomera very narrow and feebly developed. Male unknown. Length 



1.9 mm. ; width 0.32 mm. Texas (Austin) longiceps Csy. 



Eyes always convex and more or less conspicuously prominent 7 



7 — Elytra much longer than the prothorax 8 



Elytra but slightly longer than the prothorax 13 



8 — Punctures of the under surface of the head rather coarse. Body very 



slender, piceous, the head and prothorax dark rufous, the legs and 

 antennae paler; surface rather more shining than usual; sides of the 

 prothorax slightly converging from the anterior angles; elytra fully 

 one-third longer than the prothorax. Length 2.2 mm. California 



(Pomona) longipennis Fall 



Punctures of the head above and beneath very fine as usual 9 



9 — Legs piceous in color, the tarsi paler. Body subparallel, the elytra 



much wider than the head, black or blaeklsh throughout, the antennae 

 dusky; integuments strongly alutaceous; head moderately developed, 

 of the usual form, the basal angles well rounded; prothorax distinctly 

 longer than wide and narrower than the head, subparallel at the sides, 

 the anterior angles rather broadly rounded and at apical fourth ; elytra 

 obviously longer than wide, parallel, two-fifths wider and fully a fourth 

 longer than the prothorax, parallel and nearly straight at the sides, the 

 suture frequently finely rufous; gular sutures only moderately sepa- 

 rated. Length 2.3 mm. ; width 0.45 mm. Sea-beaches of New Jersey, 



Florida (Biscayne Bay) to Texas (Galveston) picipes Csy. 



Legs invariably very pale in color throughout 10 



10 — Body in great part piceous or blackish in color 11 



Body pale testaceous, the abdomen sometimes dusky 12 



11 — Body larger and subparallel, the elytra much wider than the head, the 



elytra and abdomen throughout black or blackish, the head and protho- 

 rax very dusky and dark rufo- testaceous, the elytral suture generally 

 somewhat rufescent; lustre feebly shining; head well developed, 

 somewhat distinctly longer than wide, the basal angles well rounded, 

 the eyes prominent and conspicuous; antennae rather slender, much 

 shorter than the head and prothorax combined; prothorax evidently 

 elongate and narrower than the head, the sides subparallel and nearly 

 straight, the anterior angles obtuse and slightly rounded and at apical 

 fourth; elytra distinctly longer than wide, two- fifths wider and about a 

 fourth longer than the prothorax ; gular sutures moderately separated. 

 Notch of the sixth male ventral notably deep. Length 2.6 mm. ; width 

 0.45 mm. Arizona (Tu9Son) and Texas (Austin and Waco). 



arizonae n. sp. 

 Body parallel, the elytra being only slightly wider than the head, feebly 

 shining, piceous-black throughout, except the prothorax, which is 

 somewhat dusky rufo-testaceous, and the outer apical angles of the 

 elytra, which are nubilously pale; head rather large, not longer than 

 wide, of the usual parallel form and with somewhat narrowly rounded 

 basal angles, the antennae, as usual, much shorter than the head and 

 prothorax; eyes prominent but only moderate in size; prothorox only 



