516 CATALOGUE OF 



slight keel; fore bonier and hind border rounded. Prosterniim with a 

 thick tooth. Legs rather slender; four anterior tibiie wiih the usual 

 minute spines; hind tiitiiE testaceous, somewhat shorter than the hiud 

 femora, wiih two rows of stout spines, which have black tips. Win;i;s of 

 equal length. Fore wings not extending to the tip of the abdomen. 

 Hind wings cinereous; veins black. Length of the body 30 Hues; expan- 

 sion of the fore wings 40 lines. 



The hind tibiae are shorter than those of O. semipicta. 



a. Australia. Presented by the Haslar Hospital. 



38. Opomala brevicobnis. 



Foem. Teslacea aut viridis, lnnga,fere cylindriea; caput prothorace vix 

 brevius paullo latius, antice conicum, carinis duabun fronlalihus 

 faciem versus approximatis ; oculi eltiptici, magni, prominuli, 

 fuscesccnte lineati ; anlennce picece, suhdilatalce ; prolhorax sub- 

 tuberculalus, non carinatus, maryine anlico subexcavalo, laleribus 

 marginequepostico reclis ; proslernum antice unidentatum ; abdomen 

 longissimum ; alee minimcB. 



Female. Testaceous or green, long, slender, nearly cylindrical. 

 Head smooth, almost as long as and a little broader than the prothorax ; 

 vertex convex ; part before the eyes conical ; fiont long, with two keels which 

 converge towards the face. Eyes elli|)tical, oblique, long, prominent, with 

 some darker lines. Antennae piceous, lanceolate, slightly dilated, testaceous 

 at the base, not longer than the head. Prolhorax thickly and very minutely 

 tuberculale, not keeled; fore border slightly excavated; sides and hind 

 border straight. Presternum with an horizontal tooth, which is parted 

 by a transverse furrow from a hinder notch. Abdomen very long. Legs 

 slender; four anterior tihis with very minute spines; hind tibiae with two 

 rows of small spines. Wings rudimentary. Length of the body 20 lines. 



The example here recorded is apparently in a transition state. In the 

 structure of the head and of the prothorax it differs much from the typical 

 species of the gerius. 



a. Australia. Presented by the Haslar Hosjjilal. 



Country unknown. 



39. Opomala tibialis. 

 Opsomala tibialis, Serv. Hist. Orth. 591. 



40. Opomala picta. 



Mas. Viridis, fere cylindriea, 0. semipictae similUma ; caput et pro- 

 thorax ferrugineo Iriviltata ; caput prothorace paullo brevius, antice 

 conicum et marginatum ; antenna: ferruginea, graciles, capite et pro- 

 thorace ad tinum Ion g lores ; al<e fusco-cinerece ; ala anticce rufo- 

 venoscB, apud coslum late virides ; alee posticce breviores, fusco 

 venoscE. 



Male. Green, smooth, slender, nearly cylindrical. Head and pro- 

 thorax with three equal broad parallel ferruginous stripes. Head a little 

 shorter than the prothorax above ; part in front of the eyes conical, with an 



