92 CATALOGUE OF 



Cerci less than half the length of the abdomen. Oviduct as long as the 

 body. Legs long, slender: hind femora abruptly attenuated at half the 

 length ; hind tibia; minutely serrated and with four spines on each side, 

 the spines on one side alternate with those on the other. Fore wings 

 extending to the tip of the abdomen. Tympanum of the male moderately 

 large. Hind wings extending much beyond the abdomen. 



1. NlSITEA MARGINATA. 



Mas et fcem. Niger ; caput antice sublusque, pectus, venter et prolhoracis 

 lalera pallide flava ; femora sublux iestacea ; alee anticce luridce, vilta 

 subcostali nigra ; alee posticm diaphana, nigricante late marginatoe. 



Male and female. Black. Head, except the vertex and the front, 

 pale yellow. Eyes reddish. Palpi pale yellow. Antennae black. Pectus, 

 sides of the prothorax and abdomen beneath pale yellow. Legs black ; 

 femora testaceous beneath. Fore wings lurid, black along the lateral keel. 

 Hind wings pellucid, broadly bordered with blackish, this hue decreasing 

 in breadth from the costa to the interior angle. Length of the body 6j 

 lines. 



Borneo. 



a. Sumatra. From Sir S. Raffles' collection. 



hh. Prothorax very long and narrow. 

 t. Head elongated. 



Genus 35. (ECANTHUS. 



Gryllus, Scop. Ent. Cam. 32. Burm. Hundb. Ent. ii. — Acheta, Fabr., 

 Charp., Cyrillo, Pavz. — Gryllomyia, Seidl. GSeanthus, Serv. Rev. 

 Hist. Orlh. 358. 



Europe. 



1. Oacanthus pellucens. 



Schaff., Icon. Ins. Ralisb. pi. 138, f. 4, 5 — Semblis lutaria, Pelagna, 

 Inslit. Ent. pi. 4, f. 2— Meconema vana, Fisch. de Waldh. Orth. 

 Ross. ]>]. 8, f. 6 — OZcanthus pellucens, Brulle. Hist. Nat. An. Art. ix. 

 174, pi. 18, f. 1. Serv. Hist. Orth. 360. Fisch. Orlh. Eur. 165, pi. 

 9, f. 14. Blanch. Hist. Nat. Ins. ii I. 31, pi. 8, f. 3— (Ecaulhus 

 italicus, Sieph. III. Brit. Ent. Mand. vi. 6. Ramb. Fuune. And. 41 — 

 Gryllus pellucens, Scop. Ent. Cam. 324— Gryllus italicus, Oliv. Erie. 

 Melh. vi. 32. Lntr. Gen. iii. 99 — Acheta Allioni? Fabr. Sp. Ins. — 

 Acheia italics, Fabr. Ent. Syst. ii. 32. Panz. Favn. Ins. Germ. 22, 

 pi. 17. Charp. Hot. Ent. 79. Cyrillo, Spec. Ins. Neap. pi. 7, f. 5, 6 

 — Acheia aquea ? Fabr. Ent. Syst. Suppl. 192 — Gryllus (GZcauthus) 

 italicus, Burm. Handb. Ent. ii. 731. 



a — c. Italy. Presented by Ur. Leach. 



d. Provence. From Prof. Westwood's collection. 



e. Sierra Leone. Presented by the Rev. D. F. Morgan. 

 /. W. Africa. From Mr. Fraser's collection. 



