578 Mr. O. E. Janson's flesc?'iptwns of 



clypeus, pygidium, undovside and legs shining black, the breast 

 aud a small spot on each side of the abdominal segments greenish 

 cinereous. Head convex in the centre, finely and closely punc- 

 tured, the base more sparsely punctured, clypeus slightly dilated 

 and rounded at the sides, the apical margin slightly elevated. 

 Thorax punctured at the sides, the posterior angles rather acute. 

 Elytra with several indistinct rows of fine punctures on the disc, 

 the costJB distinct behind, the suture strongly produced at the 

 apical angles into an obtuse point; epimera large, sparsely punc- 

 tured with a prominent shining tubercle. Pygidium closely and 

 finely strigose, with a slightly raised longitudinal line. Beneath 

 coarsely punctured and strigose at the sides and apex, meso- 

 sternal process ol)tuse, with an acute point in front; legs coarsely 

 punctured, anterior tibiae with two small teeth, the apical spine 

 rather blunt. Length 19 mm. 

 Sarayaco, Ecuador (Buckley). 



Allied to G. schisfacea, Burm., but smaller, narrower, more 

 convex, of a different colour and with the elytra less punctured. 



Gymnetis ctqmventris, n. sp. 



Above reddish-brown, opaque, with numerous ill-defined con- 

 fluent black marks on the thorax and elytra, the latter pale 

 luteous at the apex, with a small brown spot at the sutural 

 angle, the lateral margins behind the middle black, with several 

 luteous spots, beneath shining coppery, irrorated with brown, 

 the abdominal segments with a small brown spot on each side, 

 legs opaque brown, the inner sides, tarsi and punctures coppery. 

 Head convex, with sparse fine punctures, apex of the clypeus 

 slightly elevated and sinuous. Thorax with a few scattered 

 fine punctures at the sides, posterior angles rather acute, the 

 lobe broad and obtusely rounded. Elytra impunctate, rounded 

 at the apex, the suture feebly elevated behind, the apical angles 

 not produced ; epimera almost impunctate, with a conspicuous 

 shining tubercle. Pygidium coarsely but not very closely 

 strigose. Beneath coarsely strigose, centre of the mesosternum 

 smooth, with a deeply impressed line, the process obtuse at the 

 apex, with a prominent obtuse point in front, abdomen coarsely 

 punctured at the sides aud apex; anterior coxaj with long brown 

 hairs, anterior tibia3 with two small teeth, and the apical spine 

 obtuse. Length 21 mm. 



Peru. 



Allied to G. jiardalis, G.P., but in colour more like chon- 

 talensis, O. Jans. 



