Scdiicc du S Juin Ì9V?. 47 



Type II" 52(KS, Coll. Acnd. Nat. Sci. Filila. 

 Closely related lo .S. diademnlns Vosseier from 

 Algeria ('), but dilTering in the slightly smaller size, 

 in the larger and more piominent eyes, the much 

 narrower inlerocular sjiaee. more declivent I'asligium, 

 the more concave caudal margin of the lateral lobes 

 of the jironotum, the unilorm hyaline wings, the 

 absence of a blackish facial band and other details 

 of the coloration. 



The new form is also close to S. vossclcri Krauss 

 from Algeria, but it is separated liy quite a few 

 characters. It is not at all closely related to .S. liiloticus 

 Saussure, an Egyjitian sjiecies with which it agrees 

 in size, Saussnre's form having strongly marked and 

 most distinctive venational characters. The new form 

 has also been compared with Werner's recently 

 described (Icrnciìsi.s and (icrolyloidcs. 



Size small ; form moderately robust. Head with 

 occiput strongly ascending to the interocular region, 

 the latter narrow, no wider than half the width of 

 one of the eyes; fasligium descending sliar[)ly, strongly 

 canaliculate with a slight median carination and 

 more decided lateral margins, when seen from the 

 side the outline of (he fastigium [)assing regularly 

 into that of the face, the canaliculation of the fastigium 

 separated from tiie impression of the frontal costa; 

 lateral foveohc strongly oblique, diamond-shaped, 

 well impressed; frontal costa subequal dorsad, narrower 

 than the inter-ocular region, arcuate constricted 

 ventrad of the ocellus thence strongly diverging, 

 surface slightly undulate-impressed below the lateral 



(1) Zoo), .lalirl)., .\blii. Sysl., XVI, p. 37(i, 



