NATURAL SCIENCES OF PHILADELPHIA. 95 



formly neneous ; thorax strong!}' iind regularly rugose, the carina 

 evident, not widel}' divergent from the margin ; elytra hardi}'' 

 grooved longitudinally. L. .21. Florida (Horn). 



^ First and second ventral segments with a pubescent impres- 

 sion, prosternum with long white hairs, front shining, strongly 

 punctate as in the female ; dilfers from A. egenus by its male cha- 

 racters. 



A. pubiventris, sp. n. 



Bright green, sometimes slightly fieneous; head flat, thorax 

 longer than broad, uniformly rugose, with a faint medial channel, 

 cariuit' not acute, nearly'- parallel to the sides; elytra uniform, 

 closely imbricate, apex distinctly serrate, under surface shining, 

 ventral segments sparingly rugosely punctulate. L. .24. Texas. 



% First two segments with a rather deep pubescent channel me- 

 tasternum and prosternum, also strongly pubescent ; front opaque 

 pubescent. 



A. addendus, sp. n. 



Elongate, subcupreous above, sparsely and shortly pubescent ; 

 head rather deeply sulcate, thorax longer than broad, medial im- 

 pression obsolete, carina acute, long; elytra transversely rugu- 

 lose, with a shallow sutural imi)ression, pubescence showing a 

 tendency to form, a basal and subapical spot; prosternum entire 

 in front. L. .24. Texas (Belfrage). 



% First two segments with a faint impression, prosternum and 

 front pubescent. 



A. Walsinghami, sp. n. 



Elongate, cylindrical, bluish-green or cupreous, spotted with 

 white pubescence ; front narrow, sulcate, coarsely punctate ; 

 tliorax subtransverse, deeply channelled in the middle (the ridges 

 nearly smooth) lateral impressions deep, carina obtuse, not de- 

 fined, surface coarsely punctate, punctures confluent at the sides ; 

 scutellum carinate, elytra scabrous, each with two raised costa?, 

 and four pubescent spots ; one elongate at the base, two (one before 

 the middle, one towards the apex) between the first two costtu, 

 one a little behind the middle, outside the second costai ; top ser- 

 rate ; sides of pro- and raeta-sternum thickly clothed witii while 

 pubescence, and a lateral white spot on the sides of segments 2-5. 

 L. .50. Oregon (Walsingham), California (Horn). 



^ abdomen simple, not impressed. 



