1f>S FAMILY II. C' Mi A 



.".().", (lo.",|i. <'m.. KMI s rriiri i;i< 111 i IN Hand.. I'.osl. .loui'ii. Nal. Hist.. 11, 

 1838, 35. 



Oblong-oval. Dark violet blue above, black beneath: antenna* lilack. 

 basal joint pale. Thorax gradually narrower from base to apex, surface 

 coarsely and very irregularly punctured, the sides in front of middle almost 

 smooth. Elytral stria 1 very line, distantly and finely punctured; intervals 

 tlal with numerous rather coarse, simple punctures. Length 8.5-9.0 mm. 



Lake and Laporte counties; rare. May 14- August 26. Occurs 

 along the beach of Lake Michigan. 



304 (1029). CHL/ENUS NIGER Rand.. Bost. Jonrn. Nat. Hist., II, 1838. 34. 



Broadly oval. Uniform black throughout ; head and thorax shining. 

 Thorax one-third broader than long, apex narrower than base, hind angles 

 obtuse; basal impressions deep; disk coarsely punctured, with irregular 

 smooth spaces each side of middle. Elytral strhe tinely punctured; inter- 

 vals convex, rather densely and roughly punctured. Length 11.5-12.5 mm. 



Lake. Vigo and Knox counties ; scarce. April 5-July 9. 



::or, (10125). CiiL.EMrs IMPTXCTIFRONS Say, Trans. Amer. Phil. Soc.. II. 

 isj:!. r,4; ibid. II. 480. 



Elongate-oval. Head bright green; thorax blackish-green, subopaque : 

 elytra black; antenna? and legs pale reddish-brown. Thorax broader than 

 lung, very flat; base as broad as elytra, hind angles obtuse. Elytral stria 1 

 rather deep, finely punctured: intervals flat, finely and roughly punctate. 

 Length 13.5-10 mm. 



Throughout the State; scarce. April 16-August 26. Easily 

 known by the very flat thorax with a narrow pale margin. 



*.">()('; (1021). ('III..T:\H s PKXNSYLVANICTS Say. Trans. Amer. Phil. Soc.. II. 

 I si 1 :;. r,<; : ibid. II. 487. 



Elongate-oval, slender. Head and thorax bright green; elytra darker 

 green; antemue reddish-brown, three basal joints paler; under surface 

 black, legs pale. Thorax slightly wider than long, sides moderately cm-veil. 

 feebly sinuate near base: disk convex, coarsely and rather sparsely punc- 

 tate: basal impressions linear, deep. Elytral stri.-e dee]), rather co-u>ely 

 punctured; intervals flat, muricate. Length 10-11.5 mm. 



Throughout the State; moiv co-union in the northern half, 

 where it often occurs in small colonies beneath rubbish along the 

 margins of lakes. January 3-Ootoher 13. 



307 (10191. Cm, EMI s nuKvn .Minis Lee.. Ann. Lye. Nat. Hist.. IV. 1848. 

 137. 



Form and color of i>cniiNi/lnnii<-nx. Elytra bluish-black, the intervals 

 flat, finely and indistinctly punctured. Length 10-12 mm. 



