516 CATALOGUE OF 



slight keel ; fore border and hind border rounded. Prosternum with a 

 thick tooth. Legs rather slender; four anterior tibiae with the usual 

 minute spines; hind tibiae testaceous, somewhat shorter than the hind 

 femora, with two rows of stout spines, which have black tips. Wings of 

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

 Hind wings cinereous ; veins black. Length of the body 30 lines ; 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 BREVICORNIS. 



Foem. Testacea aut viridis, longa^fere cylindrica; caput prothorace vix 

 brevius paullo latins, antice conicum, carinis duabus frontalibus 

 faciem versus approximatis ; oculi elliptici, magni, prominuli, 

 fuscescente lineati ; antenna picece, mbdilatatcB ; prothorax sub- 

 tuberculatus, non carinatus, margine antico subexcavato, lateribus 

 margineque postico rectis ; prosternum antice unidentatum ; abdomen 

 lonyissimum ; alee minima. 



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 ; front long, with two keels which 

 converge towards the face. Eyes elliptical, oblique, long, prominent, with 

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

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

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

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

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

 slender; four anterior tibiae 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 genus. 



a. Australia. Presented by the Haslar Hospital. 



Country unknown. 

 39. OPOMALA TIBIALIS. 

 Opsomala tibialis, Serv. Hist. Orth. 591. r 



40. OPOMALA PICTA. 



Mas. Viridis, fere cylindrica, O. semipictae simillima ; caput et pro- 

 thorax ferrugineo trivittata ; caput prothorace paullo brevius, antice 

 conicum et marginaturn , antennae ferruginea, graciles, capite et pro- 

 thorace ad unum longiores ; alee fusco-cinerete ; alee anticee rufo- 

 venosee, apud coslam 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 thau the prothorax above ; part in front of the eyes conical, with an 



