232 



A. ciJbense, Sauss., Rev. et Mag. ZooL, XIII (1861), 163. 



Closely allied to A. Jlavo-fasciatum, but a little smaller. Prosternal point 

 acuminate, oblique, bent backward nearly to the meso-sternum. 

 Cuba (SaOssure). 



A. toltecum, Sauss., Rev. et Mag. Zool., XIII (1861), 163. 



Slender, grayish-brown, a pale oblique fascia on the sides. Antennae of 

 medium length, yellow, obscure- at the apex. Elytra with numerous gray 

 spots ; wings hyaline, somewhat greenish at the base. Posterior femora 

 fuscous, a longitudinal yellow fascia on the outside ; ferruginous above. Pos- 

 terior tibiae yellowish ; spines black. Body much compressed ; the face form- 

 ing an angle with the vertex. Eyes ovate, sub-elongate, almost contiguous 

 at the vertex. Fastigium of the vertex without any foveola ; an elevated line 

 in front, broken, passing to the margin. Pronotum much narrower than the 

 head, very slenderly carinated ; punctate margins not acute; four brassy spots 

 on the upper portion of the sides ; posterior impressed lines situated in the 

 middle. Prosternal point spiniform. Sub-anal plate canaliculate at the base; 

 the pre-anal segment produced at the apex, not emarginate. 



Length, 0.'J6 inch ; antennae, 0.3 inch. 



Mexico temperata (Saussure). 



The last two species are placed by Saussure under the following division 

 and subdivision of this genus : 



Division II. — Prosternal point straight or oblique. Pronotum in the an- 

 terior portion volutiform or tectiform ; the posterior part more or less flattened 

 above ; cariiiate the entire length. Eyes elongate. 



Subdivision 1. — Pronotum before the middle slightly constricted, behind 

 the middle moderately dilated ; carina slender. Elytra longer than the 

 abdomen. 



A. piceifrons, Walk., Cat. Dermap. Salt., Ill, 578. 



Male. — Luteous. Head and pronotum with two ferruginous black- 

 bordered stripes. Head smooth ; front of the vertex depressed, sub-hexag- 

 onal ; a blackish lanceolate streak extending from each eye to the mouth ; 

 front and face mostly piceous, thinly punctured; front with four well-defined 

 keels, the inner pair most approximate in the middle, the outer pair diverging 

 toward the face. Eyes elliptical. Prothorax finely scabrous, with an ex- 



