201 



Elytra short, marked with ocellate, grayish spots. Wings sanguiuous at base, 

 with a t'uscous band, and fuscous near the costa. 



Length, 1.1 inches. 



Mexico (Saussure). 



In general form very closely resembling X'lphocerd, but the prosternum 

 is unarmed. Antenuee elongate, depressed, and narrow. Head rostrate ; 

 face somewhat detlexed, the upper portion oblique, the under portion sub- 

 vertical, quadricarinate. Pronotum rugose, elevated, compressed ; posterior 

 portion flat above, carinated ; apex angulate and emarginate. Elytra longer 

 than the abdomen. Posterior tibiae slender, normal. 



m. mexicana, Sauss., Rev. et Mag. Zool., XI (1859), 391. 



Fuscous,, with a pale, longitudinal stripe. Pronotum granulose, rugulose, 

 and carinated ; the carinas interrupted in the middle ; posterior margin angu- 

 late ; apex sub-emarginate ; the posterior area (disk of the posterior lobe) 

 flat above, each side carinated. The posterior femora marked with three 

 yellow bands ; posterior tibiae blue, with a testaceous ring at the base. 

 Wings fuscous; the base and posterior portion bluish. The sub-anal plate of 

 the male tricuspidate. 



3 Length, 1.2 inches. 9 Length, 1.8 inches. 



Mexico calida (Saussure). 



OXirCORYPHUS, Fisch. 



Saussure establishes two new divisions in this genus as follows : , 



Division I. — Rostrum of the vertex sub-acute. Pronotum not con- 

 stricted ; apex obtuse-angled ; posterior sulcus situated behind the middle ; 

 lateral carinas acute, continued to the posterior margin. 



Subdivision 1. — Foveolae of the rostrum obliterated ; rostrum convex 

 above. (Approaches Chrysochraon). 



O. toJtecus, Sauss., Rev. et Mag. Zool., XIII (1861), 314. 



Size of O. mexicana. Closely allied to it, but ditfers as follows : 



Color green throughout. The flat portion of the dorsum less narrow ; 



the lateral carinas behind the posterior sulcus not arcuate, scarcely divergent. 

 26 A 



