308 CATALOGUE OF 



and hind femora with very minute spines. Wings pellucid, nearly twice 

 the length of the prothorax and the abdomen together; veins green. 

 Length of the body 18 lines; expansion of the fore wings 25 lines. 



a. Brazil. Presented by J. P. G. Smith, Esq. 



23. CONOCEPHALUS ALTENUS. 



Mas. Viridis ; fastigium brevissimum, albido marginatum, apice et 

 subtus basi rotundatum ; antenna fulvee ; pedes sat longi, tibiis 

 quatuor posterioribus femoribusque spinulosis; alee anticce longce, 

 nigro subpunctatce, tympana recto diaphano ; alee posticce diaphance, 

 viridi venosce. 



Male. Green. Head smooth ; cone very short, bordered with whitish 

 on each side and on the fore border, where it is rounded, its under side 

 rounded at the base; labrum and mandibles pale reddish. Eyes black. 

 Antennge tawny. Thorax minutely punctured. Abdomen testaceous- 

 green. Femora and tibiae, excepting the fore tibiae, with minute spines. 

 Fore wings a little longer than the hind wings, wilh a few irregularly 

 placed black points; tympanum of the right wing with a round pellucid 

 disk. Hind wings pellucid ; veins green. Length of the body 14 lines; 

 expansion of the fore wings 34 lines. 



a. Guayaquil. Presented by Dr. Hooker. 



24. CONOCEPHALUS VIRIDATOR. 



Mas. Viridis ; fastigium brevissimum, albido marginatum, antice 

 latum, subtus nigro fas datum et basi angulatum ; antenna picece, basi 

 pallidce ; pedes sat longi, tibiis quatuor posterioribus femoribusque 

 spinulosis ; alee long a ; alee anticce tympano recto diaphano; alee 

 posticce diaphance, viridi venosce. 



Male. Green. Head smooth ; cone very short, bordered with whitish 

 on each side and on the fore border, where it is broad, its under side with a, 

 black band along the fore border and with an obtuse angle at the base ; 

 labrum arid mandibles testaceous, the latter black towards the tips. Eyes 

 piceous. Antennas piceous, pale towards the base. Femora and tibia?, 

 except the fore femora, with minute spines as usual. Wings of equal 

 length, very much longer than the body. Fore wings with a pellucid tym- 

 panum on the right side. Hind wings pellucid ; veins green. Length of 

 the body 13 lines ; expansion of the fore wings 39 lines. 



The structure of theprosternum cannot be ascertained in the specimen 

 here described. 



a. Honduras. From Mr. Miller's collection. 



25. CONOCEPHALUS ALLIGATUS. 



Mas. Testaceus, gracilis ; caput et prothorax fuscescente lineata ; fasti- 

 gium breve, subtus nigricans, apice subtusque basi rotundatum, gutta 

 subtus albida elongata apicali ; prosternum bispinosum ; abdomen 

 villa dorsali tenui fusca, punctis lateralibus nigris ; pedes graciles, 

 tibiis quatuor posterioribus femoribusque spinulosis, femoribus tibiis- 

 que posticis subtus fuscis ; alee anticce longee, nigro punctatce ; alee 

 posticce diaphance, albo venosce. 



