SILANUS. 267 



margins not quite reaching base of head ; antennae with the first 

 joint (excluding base) a little thickened, shorter than head, second 

 about twice as long as first, third and fourth joints short, together 

 about as long as first ; rostrum reaching the posterior coxae ; pro- 

 notum broader than long, the anterior margin scarcely half as broad 

 as the posterior margin, which is truucately sinuate, exposing the 

 mesonotum, the anterior margin carinate, transversely impressed 

 before middle, the lateral margins concavely sinuate ; scutellum 

 triangular, moderately tumid ; corium (including cuneus) as long 

 as posterior tibiae, cuneus small, broader than long ; membrane 

 passing the abdominal apex and with a basal, posteriorly truncate 

 cell ; legs somewhat long, posterior femora a little curved at base, 

 all the femora distinctly but moderately thickened ; posterior tarsi 

 with the first joint shorter than the second. 



In this enumeration of the Capsidae of British India the genus 

 is placed near Tyraquellus, Dist. 



3046. Silanus praefectus, Dist. A. M. N. H. (8) iv, p. 520 (1909). 



Head, antennae, thorax, and scutellum black ; corium brownish 

 ochraceous, a small marginal spot at base and a larger marginal 

 spot before cuueus ochraceous ; clavus darker and more fuscous in 



Fig. 143. Silanus prcejectus. 



hue ; cuneus brownish ochraceous, outwardly castaueous ; mem- 

 brane fuliginous ; head beneath and sternum black ; abdomen 

 beneath piceous ; femora black, apices of posterior femora 



