484 MR. r. p. PASCOE on the cttrculionid^. 



agricola ; in the large size of the two basal segments of the abdo- 

 men it agrees with the preceding ; but the first suture, dividing 

 the two segments, is only slightly apparent on the sides. 



PoROPTERUS BisiGNATUS. P. ovatus, supva subdcpressus, fuscus, 

 umbrino, infra pedibusque griseo-squamosus ; rostro valido, sat bre- 

 viusculo ; antennis piceis ; funiculi articulo secundo piinio fere duplo 

 longiore, cteteris rotundatis, ultimo crassiore ; protborace subobcordato, 

 antice supra valde producto, apiee subbilobo, ante medium utrinque 

 conico, postice parallelo, sat confertim rude squamoso ; scutello in- 

 conspicuo ; elytris utrinque rotundatis, apicein versus gradatira angu- 

 stioribus, postice rotundato-declivibus, grosse foycatis, intcrspatiis 

 confertim callosis, bumeris antrorsum elevato-productis, bilobis, apice 

 late rotundatis; mesosterno latoj abdomine scgmcuto seciuulo quam 

 tcrtio quartoque conjunctim breviore, suturaj)rima distincta. Long. 

 4 1in. 

 Hah. Moreton Bay. 

 The name is derived from two palish spots on the declivity of 



the elytra ; but in rubbed specimens these are not very evident. 



The chief diagnostics of this species are the form of the prothorax 



and the elevated bilobed shoulders. 



PoROPTERUS FOVEiPENNis. P. oblongo-ovatus, niger, parce griseo- 

 squamosus ; rostro valido, rude, basi seriatim, punctato ; antennis 

 piceis ; funiculi articulo secundo primo vix sesquilongiore ; protborace 

 subobcordato, supra planato, antice valde producto, apice anguste ro- 

 tundato, basi prope scutellum fortiter biimpresso, raro irregulariter 

 punctato, tuberculis quatuor parvis in medio transversim sitis ; scu- 

 tello, ut videtur, nuUo ; elytris subovalibus, modice convexis, protborace 

 paulo latioribus, sat vage subseriatim foveatis, intcrspatiis irregula- 

 riter callosis, postice rotundato-declivibus, tuberculis majusculis no- 

 tatis, bumeris parum productis; corpore infra pedibusque squamis 

 elongatis vcstitis ; tibiis, praiscrtim posticis, brevibus. Long. 3|-4 lin. 

 Hob. New South Wales (lUawarra). 



In outline like the preceding, but, inter alia, with the apex of 

 the prothorax entire, the shoulders not lobed, short tibiao, &c. 

 Poropterus succosus, Boh., seems to me to be the same as Crypto- 

 rJiynchus succisus, Er. It is difficult to understand how so admirable 

 an entomologist as Erichson* could have satisfied himself with re- 

 ferring so many species to Cryptorhynchus, a name even now of 

 no definite meaning, without some notice of the structural pecu- 

 liarities that go to tlie differentiation of genera. 



* Wiegmann, Arch. 1842, i. pp. 202 et seqq. 



