HEM IPTKRA HETEROPTERA. 
0 i O 
Fore wings nut covering the sides of ihe abdomen ; membrane with longi- 
tudinal veins. 
Arvelius mormideoides. 
Ferrugineus ; anlenncB rtifce ; abdomen teslaceo tenuiter inarginalum ; 
pedes riiji, nigro coiispersi ; membrana fusca. 
Ferruginous, piceous beneath. Eyes piceous. Antennas red. Abdo- 
men narrowly bordered with testaceous above and beneath. 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. 
Rufescenle testacea, aspere et sal sparse punctata; caput nigricans, 
rufescente marginatum; antennce testacea:, articulo do piceo basi 
luteo ; thorax spinis duabus longis validis apice nigris ; scutellum 
villa postica nigra ; pectoris carina bene determinata ; spina ventraiis 
coxas intermedias altingens ; membrana palLide cinerea, villa lata 
nigricanie. 
Reddish testaceous, elongate-oval, roughly and rather thinly punctured. 
Head elongate, triangular, blackish above, excepting the sides, which are 
reddish and slightly elevated. Eyes red. Antennae testaceous, more than 
half tin; length of the body; first joint extending beyond the front of the 
head ; second longer than the first and than tlie third ; fourth a little 
longer than the third ; fifth piceous, luteous at the base, longer than the 
fourth. Thorax with two stout acute spines, which are black towards their 
tips and are nearly as long as half the breadth of the thorax. Scutellum 
with a black stripe, which is abbreviated towards the base. Sternal keel 
deep. Central spine extending to the middle co.\jb. Legs testaceous, 
slender. Membrane pale cinereous, with a broad blackish stripe. Length 
of the body lines. 
Hiudostan. In the National Museum at Melbourne. 
Acanthosoma alaticornis. 
Fulva, longi-ovalis, aspere punctata ; caput productum, subacutum, laleri- 
bus reflexis ; antennce picete, basi testarecc ; thorax lateribus anlicis 
fasciuque lata testaceis, cornubiis lalis linearibus longissimis apices 
versus nigris latis et recurvis ; abdomen ferrugineum, lateribus vitta 
venlrali et carina pectorali testaceis; pedes lestacei ; alee anticce basi 
margine postico maculaque apicali testaceis, membrana fusca. 
Tawny, elongate-oval, shining, roughly punctured. Head elongate, 
slightly acute; sides reflexed. Eyes piceous, not prominent. Rostrum 
extending to the hind coxse ; tip black. Anlennie piceous, slender ; first 
and second joints testaceous; first extending much beyond the head; 
second as long as the third; fourth longer than the third ; fifth shorter 
than the fourth. Thorax pale testaceous along each side in front, with a 
