BY THOMAS G. SLOANE. 399 



posterior third, two marginal setre on each side; elytra oval, 

 lightly crenulate-striate, third interstice 3-punctate, each elytron 

 bimucronate at apex. Head green with a slightly brassy tint; 

 prothorax seneous with a cupreous tinge, more marked in ^ 

 than in 9; elytra chalybeous with greenish tints; under surface 

 greenish, abdomen dark with greenish metallic tints; femora 

 and posterior trochanters shining green, tibiae and upper side of 

 tarsi black; mandibles and labrum black; antennae and palpi 

 piceous. 



^. Head as in C. chaudoiri Cast., (3-4 mm. across eyes). Pro- 

 thorax subquadrate, broader than long(2-8 x 3-7 mm.), widest 

 and feebly subangulate at anterior marginal seta(a little before 

 middle), lightly narrowed(obliquely at first, then roundly) to 

 anterior angles; upper surface transversely striolate; anterior 

 margin emarginate; anterior angles wide, prominent; base 

 lightly truncate-emarginate above peduncle; basal angles rect- 

 angular; lateral boi'der explanate posteriorly; a narrow depressed 

 area across base defined by a well marked transverse impression; 

 median line strongly impressed; anterior transverse impression 

 well marked. Elytra rather \vide(10 x 5'5mm.); interstices sub- 

 equal, very slightly convex behind basal fifth, first wide and 

 bearing a deep striole at base, fifth convex at basal fifth, seventh 

 much narrower than sixth or eighth and subcostate on basal 

 fifth; each elytron armed at outer apical angle with a strong 

 acute mucro about half a millimetre in length, and at inner 

 apical angle with a short stout pointed mucro. Prosternum and 

 metathorax, in middle, intermediate and posterior coxte thickly 

 clothed with a tawny villosity. Ventral segments 2-5 pubescent 

 in middle, apical segment a little setose in middle. 



9. With anterior angles of prothorax as in ^. Prosternum 

 villose, but less densely so than in ^. Metasternum sparsely 

 setose anteriorly. Ventral segments glabrous. Length 16-5, 

 breadth 5'5 mm. 



Hab. — Q.: Coen(Hacker; December and January). Two 

 specimens of this beautiful species were given to me by Mr. 

 Henry Hacker. 



