HEMIPTERA HETEROPYERA. 1138) 
33. IscHNODEMUS SULCATUs. 
Mas. Niger, longissimus, hirsutus, fere cylindricus; rostrum coxas 
anticas attingens ; antenne brevissime, articulo lo fulvo ; prothorax 
sulco longitudinali bene determinato; pedes fulvi, breves, femoribus 
quatuor posterioribus incrassatis, femoribus anticis valde incrassatis 
subtus dentatis, tibiis tarsisque anticis brevissimis his clavatis subtus 
dentatis. 
Male. Black, smooth, shining, hirsute, very long and narrow, nearly 
cylindrical. Head small, conical, narrower than the fore border of the 
prothorax; middle lobe prominent. Eyes slightly prominent. Rostrum 
extending to the fore coxe. Antenne rather stout, about one-sixth of the 
length of the body; first joint tawny; second about half the length of the 
first; third as long as the second; fourth elongate-fusiform, longer than 
the first. Prothorax elongated, narrower in front, with a strongly-marked 
longitudinal furrow. Legs tawny; four posterior legs short, with incrassated 
femora; middle legs much shorter than the hind legs; fore femora 
extremely incrassated, dentate beneath; fore tibie clavate, dentate beneath, 
very short, as are also the fore tarsi. Wings extending nearly to the tip of 
abdomen. Length of the body 4% lines. 
a. Mount Ophir. Presented by W. W. Saunders, Esq. 
34. IscHNODEMUS TALPA. 
Mas. Niger, planus, linearis; caput conicum, minimum ; rostrum coxas 
intermedias attingens; antenne brevissime; prothorax brevis, 
transverse subsulcatus, lateribus rotundatis; pedes  breviusculi, 
Semoribus quatuor posterioribus subincrassatis, femoribus anticis 
valde incrassatis subtus spinulosis et fortiter unispinosis, libiis anticis 
subarcuatis apice bicalcaratis, tarsis anticis brevissimis ; corium 
Serrugineum ; membrana apice albida. 
Male. Black, flat, linear, smooth, shining. Head conical, very 
small, narrower than the fore border of the prothorax. Eyes slightly 
prominent. Rostrnm extending to the middle coxe. Antenne rather 
stout, a little less than one-fourth of the length of the body; second joint 
about half the length of the first; third much shorter than the second ; 
fourth longer than the second. Prothorax transverse, thinly punctured, 
rounded on each side and much narrower towards the fore border, with a 
very slight transverse middle furrow. Legs rather short; four posterior 
femora slightly incrassated; fore femora extremely incrassated, with a stout 
curved spine and with some smaller spines beneath; fore tibiw stout, 
slightly curved, with two apical spurs; fore tarsi very short. Wings 
extending to the tip of the abdomen. Corium of the fore wings ferru- 
ginous; membrane whitish at the tip. Length of the body 5} lines. 
The fore legs of this species are fossorial, but less so than those of 
I. sulcatus. 
a. Mount Ophir. Presented by W. W. Saunders, Esq. 
