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Descriptions of three neio species of Ayiicrican Cetoniidas ; hy 

 Oliver E. Janson. 



Gymnetis anceps, n. sp. Plate IX., fig. 3. 



Ct. Atra, velutina, capite utrinque, thorace marginibiis 

 lateralibusanguste, elytris lateriLus apiceque late ocliraceis ; 

 elytris bicostatis ; corpore infra nitido. Long. ^ 22, ? 23 

 mm., lat. S 10, ? 12 mm. 



Black velvety and opaque above, shining beneath; a 

 narrow band at the apex, lateral margins of thorax and 

 some small contiguous confluent spots, and a broad mar- 

 ginal band and apex of elytra pale ochreous. 



Head coarsely and remotely punctured, clypeus rounded 

 at the sides, margins elevated, apex slightly semicircularly 

 emarginate. 



Thorax very remotely punctured, posterior angles 

 rounded, basal lobe short and only jjartly covering the 

 scutellum. 



Scutellum very acute at the apex. 



Elytra finely punctured, the punctures arranged in 

 tolerably distinct rows on the disc, each with two slightly 

 elevated ridges extending from near the base to the apical 

 callus, suture elevated from the middle to the apex. 



Pygidium rugose. 



Beneath coarsely punctured mesosternal process narrow, 

 obtuse at the apex ; abdomen longitudinally impressed ; 

 legs punctured, tibiie unarmed, intermediate and posterior 

 with a fringe of tine short black hairs, tarsi rather long and 

 slender. 



