INSECTS. HEMIPTERA. 57. Blatta. 
527 
ORDER II. HEMIPTERA. 
Mouth and fnout bent in towards the breajl: 
upper wings fojt, JemicruJlaceous, not 
divided by a Jlraight future, the baje of the 
left covering the inner margin of the bafe 
of the right. 
.37. BLATTA. Head infle6led: antennce 
^ fetaceous; feelers unequal, filiform: 
wing-cafes and ww^jfmooth, fomewhat 
coriaceous: thorax rather flat, orbicu- 
lar, margined: forrned for running: 
abdomen terminating in 4 fpines or 
briftles. Cock-roach. 
Thefe infefts with their larvae wander about by night and 
fecrete themfelves by day; they are fond of warmth and’haunt 
houfes, devouring meal and whatever provifions they wn geu 
at; they run with great celerity, and are deftroyed by the 
fumes of charcoal. 
' ' r 
Livid; fhield of the thorax wltK a fquare brown fpot. • 
‘ Inhabits and Seba. Muf, y tab. Jlfg- H- 
The largcft oPits genus, and is nearly as large as a hen s egg. 
W 
Brown; thorax and wing-cafes livid vanegated with brown. 
Inhabits Madeira. Ilerbft. Arch. Inf. tab. fig. 3. 
Lefs than the laR. Head olive : antennae brown : jhteld livid 
fpotted with brown: viing-cafies with 2 iraprefled grooves at the 
bafe, one ftraight the other curved, the tip marked widi nu- 
merous imall tranfverfe brown lines. 
'‘k 
Thorax black with a pale edge all round and 2 fulvous dots 
at the bafe: wing-cafes olive. 
“ pSS: £« i,™. W 
nunutc cinereous rpecks; abdomen wuu rcu ^ 
and kffer tclhceous ones at the Tides : leg, teftaceous. 
AEgyj)tiaca. 
