{ 5S1 ) 



Descriptions of neir Amcricnn Cetoniid.k; by Oliver E. Jaxsox, 

 Part II. 



Gymnetis suilla, n. sp. 



Above obscure smoky-black, tlie sides of the thorax and the 

 elytra obscure smoky cinereous, the latter clouded with black, 

 and Avith an ill-defined spot in the middle, a J -shaped mark 

 behind and the punctures black; apex of the scutellum covered 

 with pale yellow pubescence ; underside and legs slrining black, 

 sparsely pubescent. Head sparsely but rather coarsely punc- 

 tured, aj^ex of the clypeus slightly elevated and impressed in the 

 centre. Thorax with a central elevation in front, the sides 

 rounded, sparsely and finely punctured on the disc, with some 

 scattered coarser punctures at the sides. Elytra with irregular 

 rows of very coarse punctures on the disc, and rows of fine 

 punctures at the sides, the apex strigose, the suture and inner 

 carina moderately elevated, apical angles acutely produced. 

 Pygidium and underside coarsely strigose; mesosternal process 

 rather short, rounded and slightly divei'gent. Length 12-14 mm. 



Venezuela (Coll. A. Fry). 



Allied to G. litnrata, Oliv., but differs in its narrower form, 

 more coarsely punctured elytra, dark colour, and in having the 

 thorax elevated in front. 



Gymnetis raoida, n. sji. 



Above fulvous-brown, opaque, slightly clouded with fuscous, 

 the punctuation, pygidiiun, underside and legs pitchy-black, 

 elytra Avith two small black spots near the lateral margin, the 

 first in the middle and the other about one-fourth from the 

 apex, pygidium, sides of the body and legs speckled with 

 fulvous. Head and thorax sparsely punctured; the lobe of 

 the latter smooth at the apex, apex of the clypeus slightly 

 emarginate. Elytra with irregular rows of semicircular piinc- 

 tures on the disc, a confluent mass of similar punctures at the 

 apex, and some fine punctures at the sides, the suture and the 

 inner carina slightly elevated and smooth, the apical angles 



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CiSTULA EnTOMOLOGICA, 



24th February, i88i. 



