American Caraboidea 251 



thorax even shorter, twice as wide as long, differing in that the 

 front has, besides the small punctures, two deep elongate approxi- 

 mate and anteriorly somewhat diverging foveae on a line through 

 the middle of the eyes; antennae with the first three joints pale 

 flavo-testaceous; elytra still more shining, bluish-green; tarsi 

 slender. Length (cf ) 5-7 mm.; width 2.5 mm. Iowa (Keokuk). 



frontalis n. subsp. 

 Coloration differing somewhat, the head black; pro thorax pale testa- 

 ceous, the elytra having strong bluish-violaceous lustre and very 

 shining; under surface and legs nearly as in viridipennis ; body 

 narrower; head finely, sparsely punctulate laterally, smooth medi- 

 ally, nearly four-fifths as wide as the prothorax, the eyes well 

 developed and very prominent; antennae slender, black, the first 

 joint testaceous, the second piceous; prothorax four- fifths wider 

 than long, widest somewhat before the middle, the sides rounded, 

 oblique and straight basally, strongly reflexed; basal lobe and 

 sulcus conspicuous, the median stria extremely fine; rugulosity 

 very fine, not close-set; elytra fully two-fifths longer than wide, 

 not quite twice as wide as the prothorax; striae extremely fine and 

 subobliterated, the serial punctures fine and feeble; intervals flat; 

 sutural stria distinct apically; tarsi rather thick, the posterior long 

 and slender. Length 5.5 mm.; width 2.35 mm. Rhode Island 



(Boston Neck) rhodeana n. sp. 



27 — Form rather stout and feebly convex, polished, deep black, the 

 elytra violaceous-blue, the prothorax frequently red throughout 

 above and beneath; under surface and legs black; head not as 

 long as wide, with very prominent eyes, nearly four-fifths as wide 

 as the prothorax, the front sparsely and irregularly punctulate and 

 subrugulose; antennae slender, more than half as long as the body, 

 black, the two basal joints piceous to nearly black; prothorax 

 short, fully twice as wide as long (9 ), a little less {&), widest before 

 the middle, the moderately arcuate sides broadly reflexed, straight 

 basally, the angles sharply marked but not prominent; surface 

 distinctly but not densely rugulose, the fine median stria impressed; 

 elytra a third longer than wide, only slightly inflated behind, dis- 

 tinctly less than twice as wide as the prothorax; striae fine, feebly 

 subpunctulate, the intervals flat, the dorsal punctures small, near 

 anterior and posterior third. Length 5.7-6.2 mm.; width 2.5-2.65 

 mm. California (Los Angeles and San Diego) and Arizona. [L. 



ruficolHs Lee] cyanipeiinis Dej. 



Form more abbreviated, much smaller in size, rather shining, deep 

 black, the elytra with very obscure greenish lustre; under surface 

 black, the legs testaceo-piceous; head fully as long as wide, rather 

 more than three-fourths as wide as the prothorax, with moderate 

 though prominent eyes; front with sparse but distinct punctures; 

 antennae not very slender, somewhat more than half as long as the 

 body, black, the first two joints dark rufous; prothorax three- 

 fourths to four-fifths wider than long, widest before the middle, 

 the sides strongly rounded and narrowly reflexed, broadly so at the 

 slightly prominent reflexed basal angles, before which there is a 



