311 



the base ; veins black, ferruginous at the base ; praebrachial vein forming 

 a slightly obtuse angle at its flexure which emits a short branch, a little 

 curved inward near this, almost straight from thence to the tip ; lower cross- 

 vein with two slight curves, the lower inward, the upper one outward: 

 alulae dingy white. Length of the body 5^ lines; of the wings 11 lines. 



Georgia. 



Dexia basalis. 



Cana; caput auraium ; nntennw iuteai ; thorax nigro quadrivittalus, 

 scnlello piceu, pcctore ferriujineo ; abdomen cyaneum, bad ferrugi- 

 netiin ; pedes fidvi, taisis niyris ; alcB cinerece, venis fusco margi- 

 natis. 



Hoary : head gold-colour, clothed beneath with yellow hairs ; frontalia 

 triangular, yellowish brown, widening much from the eyelets to the feelers ; 

 face very pale yellow ; epistoma prominent ; facialia having on each side a 

 pitchy spot, between which and the epistoma they are beset with bristles : 

 eyes bare ; all the facets small : mouth and palpi ferruginous : feelers lu- 

 teous ; third joint more than twice the length of the second; sixth black: 

 chest with four interrujyted black stripes ; scutcheon pitchy: breast ferrugi- 

 nous with a hoary tinge: abdomen blue, ferruginous with a hoary tinge 

 towards the base : leys tawny ; feet black : winys gray, darker at the base, 

 tinged tvith brown about the veins which are black ; prasbrachial vein hardly 

 curved inward beyond its flexure ; lower cross-vein with two curves, the 

 lower inward curve more distinct than the upper outward curve : alulje 

 pale dingy testaceous. Length of the body 4^ lines ; of the wings 11 lines. 



South America. 



Dexia longa. 



Nigra ; caput argenteo-ferrugineum ; thorax cinereus, nigro quadrivitta- 

 tus ; abdomen fusiforme, thorace plus duplo lonyius, latcribus piceum, 

 cinereo octomaculatum ; ahc cinerece, ad venas fusca. 



Black: head ferrtiginous with a silvery white covcriny, clothed behind 

 and beneath with dingy white hairs ; frontalia triangular, widening much 



