Reduvide. 157 
abdomen simple in the @, first genital segment in the ? 
square, carinated beneath. 
L. 10 mm. 
Common, and generally distributed. 
G. odontogaster, Zett.—Exceedingly like lacustris, but 
distinguishable by the rather smaller size, the longer inter- 
mediate tarsiin proportion to their tibiee, the black anterior 
femora, which are only reddish yellow at the base, the 
wider genital segments in both sexes, the first segment in 
the @ being transverse and impressed at the base beneath ; 
in the 3 the sixth abdominal segment beneath bears two 
strong teeth, which incline forwards ; posterior tibie and 
tarsi together not much shorter than the femora. 
L. 8-9 mm. 
Not so common as the preceding, but generally dis- 
tributed ; occurs both in Scotland and Ireland, 
G. argentata, Schwm.—Smaller than either of the 
preceding, dorsal keel of the pronotum less raised pos- 
teriorly than in lacustris, anterior femora dark as in odonto- 
gaster; pronotum rather more widely rounded posteriorly 
than in either, with shght silvery pubescence just within 
the apical margin; posterior tibize and tarsi together much 
shorter than the femora; abdomen beneath simple in the dg, 
2 with the first genital segment carinated, whole underside 
very densely clothed with brilliantly silvery hairs. 
L. 7 mm. 
Not common, Reigate, Chobham; Lincolnshire, J. £. 
Mason; Norfolk, Edwards; Battle, Butler ; Sutton Cold- 
field, Blatch ; Parley Heath, Woolmer, New Forest, Dale. 
REDUVIIDA. 
This extensive family is only represented in Britain by 
six genera and sixteen species, of which latter ten belong 
to the genus Nabis. In Puton’s Catalogue over 140 species 
