36 Dr. Heineken's Description ofCerascopus. 



my means of reference are very limited, and as it is several years since I 

 have seen any collection of insects, excepting a very small and local one 

 of my own, I may be deceived; in that case the details v^rhich I have 

 given, will, perhaps, compensate for the failure of my attempt to con- 

 tribute something new. 



I am, Sib, 



Your obedient Servant, 

 Funchal, Madeira, C. Heineken, M. D. 



25th April, 1829. 



Order. Hemiptera. 



Section. Heteroptera, (Kirby, Leach.) 



Family. Geocorisae, (Latreille.) 



Tribe. Nudicolles, (Latreille.) 



Genus. Cerascopus, (nobis.) 



Corpus elongato-clavatum, membranaceum. Elytra aJceque nullae. 

 Caput elongato-ovatum, bilobatum. Ocelli nuUi. j^ntennce cor- 

 poris saltem longitudine, genlculatse, filiformes (articulo Imo aliis 

 longiore et arcuato) ante oculos, et supra lineam ab iis usque ad 

 rostri originem ductam, insertse. Rostrum articulo secundo mediove 

 aliis plan^ breviore. Thorax elongatus, inseqiialis, bipartitus. 

 Pedes antici raptor ii coxis elongatis, intermedii et postici (quorum 

 hi longiores) longissimi, graciles, filiformes. Abdomen clavatum, 

 depressum, segmentis falsis. Genitalia exserta. 



Cerascopus marginatus. 



Length about four lines. Colour dingy yellowish brown, interspersed 

 with umber. Legs and antennce of the latter colour with pallid articula- 

 tions. Thighs and tibi(P of raptorious legs spotted with Umber, and two in- 

 terrupted central and one margmal Ime of the same on the abdomen, which 

 is depressed above with an elevated margin and six false segments; 

 smooth, entire, sliglitly convex, and of a pale yellow colour, beneath. 

 Eyes black. Head divided into two unequal lobes, by a transverse de- 

 pression between the eyes. First joint of antenna? as long (or nearly) 

 as the two next, and bowed forwards ; fourth somewhat the shortest, and 

 suddenly tapering to a fine conical point. Thorax unequally divided by 



