1” 
Cw 
~? 
HEMIPTERA HETEROPTERA. 
Fore wings not covering the sides of the abdomen; membrane with longi- 
tudinal veins. 
ARVELIUS MORMIDEOIDES. 
Ferrugineus ; antenne rufe; abdomen testaceo tenuiter marginalum ; 
pedes rufi, nigro consperst ; membrana fusca. 
Ferruginous, piceous beneath. Eyes piceous. Antenne red. Abdo- 
men narrowly bordered with testaceous above and beneath. Legs red ; 
femora and tibiz speckled with black. Membrane of the fore wings brown. 
Length of the body 43 lines. 
a. Rio Janeiro. Presented by the Rev. H. Clark. 
Page 397. 
ACANTHOSOMA IMMUNDA. 
Rufescente testacea, aspere et sat sparse punctata; caput nigricans, 
rufescente marginatum; antenne testacee, articulo 50 piceo bast 
luteo; thorax spinis duabus longis validis apice nigris; scutellum 
villa postica nigra ; pectoris carina bene determinata ; spina ventralis 
coxas intermedias attingens; membrana pallide cinerea, vitta 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. Antenne testaceous, more than 
half thi: 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 
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 
lips 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. Ventral spine extending to the middle coxe. Legs testaceous, 
slender. Membrane pale cinereous, with a broad blackish stripe. Length 
of the body 33 lines. 
Hindostan. In the National Museum at Melbourne. 
ACANTHOSOMA ALATICORNIS. 
Fulva, longi-ovalis, aspere punctata ; caput productum, subacutum, lateri- 
bus reflexis; antenne picee, basi testacee ; thorax lateribus anticis 
fasctaque lata testaceis, cornubus latis linearibus longissimis apices 
versus nigris latis et recurvis; abdomen ferrugineum, lateribus vitta 
ventrali et carina pectorali testaceis ; pedes testacet; ale antice 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 coxe; tip black. Antenne 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 
