New American CetouiidjB. 579 



Gymnetis dispersa, n. sp. 



Dull fuscous black, head ciuereous brown, apex of clypeus 

 coppery, thorax with obscure fuscous marks, elytra obscure 

 pitchy-red towards the sides, with irregular undulating con- 

 fiueut marks, a large patch before the apex, and several small 

 spots at the sides and next the suture luteous, underside and 

 legs wnth a coppery tinge and slightly shining. Head closely 

 punctiu-ed, clypeus slightly rounded at the sides, the apex 

 elevated and sinuous. Thorax rather sparsely punctured at the 

 sides, the posterior angles prominent and acute. Elytra sparsely 

 and finely punctured at the apex, the inner carina well marked 

 and the apical callosity prominent, the suture only slightly 

 elevated at the apex; epimera punctured, with a distinct tubercle. 

 Pygidium very closely and finely strigose, with short pubescence. 

 Beneath with very coarse confluent punctures, centre of meso- 

 steruum smooth, with a deeply impressed line, the process 

 obliquely bent down, obtusely pointed at the apex and keeled 

 in ■ front, sides and apex of the abdomen and the legs coarsely 

 punctured; anterior tibise with two teeth and the apical spine 

 rather obtuse. Length 23 mm. 



Jima, Ecuador (Buckley). 



Allied to G. Jiebraica, Drap., but broader, less punctured 

 above and differently coloured. 



Gymnetis discolor, n. sp. 



$ Dull fuscous cinereous, thorax and elytra with obscure 

 fuscous black spots and marks, lateral margins of the elytra 

 ]>itchy black, with small luteous spots, the apex luteous with 

 fuscous spots, a transverse spot in the centre of the abdominal 

 segments, mesosternal process and the tarsi shining black. Head 

 finely punctured, apex of the clypeus elevated and rounded. 

 Thorax punctured at the sides, the jiosterior angles acute, the 

 lobe short and broad. Elytra sparsely punctured at the apex 

 and between the carin^e, the suture obtusely produced at the 

 apex ; epimera sparsely punctured, with an obtuse tubercle. 

 Pygidium strigose, the strife sparse and broken towards the 

 apex, the centre with a slightly elevated longitudinal line. 

 Beneath punctured and strigose at the sides, mesosternum with 

 a deep central line, the process oblicpiely bent down and obtuse; 

 legs punctured, anterior tibia? without teeth. Length 18-20 

 mm. 



