HEMU'TKRA HF.TKROPTEUA. 573 



Fore wings nut covering the sitles of the abdomen ; membrane with longi- 

 tudinal veins. 



Arvelius siormideoides. 



Ferrugineiis ; antenna rufce ; abdomen teslacco tcnuiler marginatum; 



pedes riiji, nigro eonspersi ; membrana fusca. 



Ferrnginous, pieeous bcnciitli. Eyes piceons. Antennae red. Abdn. 



men narrowly b(jrdered wiili testaceous; above and !)encath. Legs red ; 



femora and tibiae speckled with black. Membrane of the fore wings brown. 



Length of the body 4.^ lines. 



a. Rio Janeiro. Presented by the Rev. H. Clark. 



Page 397. 



AcANTHOSOMA IMMUNDA. 



Rtifescente testacea, aspere el sal sparse punvlaln ; caput nigricans, 

 rufescenle marginatum ; anlenncc lestarece, articulo on piceo bnsi 

 luleo ; thorax spiiiis duabus longis vatidis apice nigris ; scutcUum 

 vitla poslica nigra ; pectoris carina bene diterminata ; spina ventralis 

 coxai intermedias attingens ; membrana pallide cinerea, villa lata 

 nigricanle. 



Reddish testaceous, elongale-oval, roughly and rather thinly punctured. 

 Head elongate, iriangnlar, blackish above, excepting the sides, which are 

 reddish and slightly elevated. Eyes red. Aiilenns testaceous, more than 

 half the length of the body; first joint extending beyond the front of the 

 head ; second longer than the first and than the third ; fourth a little 

 lunger than the third; fifth pieeous, lutcous at the base, longer than the 

 fourlli. Thorax will) two stout acute spines, which arc black towards their 

 tips and are nearly as long as half the breadth ol ihe thorax. Sciitellum 

 with a blatk stripe, which is abbreviated towards the base. Sternal keel 

 deep. Ventral spine extending to the middle coxic. Legs testaceous, 

 slender. Membrane pale cinereous, with a broad blaikish stripe. Length 

 of the body 3|^ lines. 



Hiudostan. In the National Museum at Melbourne. 



AcANTHOSOMA ALATICO RNIS. 



Fulva, longi-nvalis, aspere punctata ; caput productum, siibacvttnn, luleri- 

 bus rrflexis ; antennw picete, basi lPsiare(C ; thorax luleribu^ anticis 

 fasciaque l.ita testaceis, cornubiis talis linearibus longissiinis apices 

 versus nigris talis et recurvit ; abdomen firriigineum, laleribus vitla 

 ventrnii et carina pcclorati lestaceis ; pedes tislacei ; ala anticoE basi 

 margine postico maculaquc apicali leslaceis, membrana fusca. 



Tawny, elongate-oval, shining, roughly pnnciurcd. Head elongate, 

 slightly acute; sides rcflexed. Eyes pieeous, not |)romineiit. Rostrum 

 extending to the hind coxa; ; tip black. Anlennuj pieeous, slender ; first 

 and second joints testaceous; first extending much beyond the bead; 

 second as long as tlie third; fourth longer than tlio third ; fifth shorter 

 than the fuuilh. Thorax pale lesiaceous along each side in front, with a 



