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 
hypomera very narrow and feebly developed. Male unknown. Length 
1.9 mm.; width 0.82 mm. Texas (Austin)..............longiceps Csy. 
Eyes always convex and more or less conspicuously prominent.......... 7 
7 —Elytra much longer than the prothorax.... ccccsecerscccsreccccsesee 8 
Elytra but slightly longer than the prothorax.. 2.0 .scesececcescecses veeeld 
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) cece cece secesesesceccereccceccecsserce sees. Longipennis Fall 
Punctures of the head above and beneath very fine as usual.......-.e.e0- 9 
9— Legs piceous in color, the tarsi paler. Body subparallel, the elytra 
much wider than the head, black or blaekish 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... .scerececceccerccccccseel 
10 — Body in great part piceous or blackish in COlOr.......cceecceecesseell 
Body pale testaceous, the abdomen sometimes dusky..-...-.creceesceeeel2 
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 
0.45mm. Arizona (Tugson) and Texas (Austin and Waco). 
arizonae nu. sp. 
Bedy 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 
