IJKftrU'TEKA IlETKUOl'TEKA. 133 



33. TSCHNODEMUS SULCATUS. 



Mas. Niger, lolujisaimus, hirsiilus, fere cylindricus ; rostrum coxas 

 anlicas atlingens ; antenna: irevissinue, articulo [o fidvo ; prothorax 

 sutco lonffituclinali bene determinato ; pedes fiilvi, breves, femoribus 

 quatxior posterioribtfi inerassalis, fenwribus (uiticis valde incrassatis 

 siibtus dentatis, tibiis tarsisqite antleis brei'issimis his clavatis subius 

 den talis. 



Male. Black, snioollj, sliininj;:, bir.sulc, very long and narrow, nearly 

 cylindrical. Head small, conical, narrower tlian the fore border of the 

 prolliorax; middle lobe ]irominonl. l\yes slightly prominent. Rostrum 

 extending to the fore coxa?. Antennae r.ither 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 tlian the hind legs; fore femora 

 extremely incrassated, dentate beneath ; fore tibise clavate, dentate beneath, 

 very short, as are also the fore tarsi. Wings extending nearly to the lip of 

 abdomen. Length of the body 4i lines. 



a. Mount Ophir. Presented by W. W. Saunders, Esq. 



34. ISCHNODEMUS TALPA. 



Mas. Niger, planus, linearis; caput conictim, minimum; rostrum coxas 

 inlermedias attingens ; antvmne brevissinict ; prothorax brevis, 

 transverse subsulcatiis, lateribus rotundatis ; pedes breviusculi, 



femoribus quutuor posterioribus siibincrassatis, femoribus a7iticis 

 valde incrassatis subttis spinulosis el fortitcr unispinosis, tibiis anticis 

 subarcuatis apice biealcaratis, tarsis anticis brevissimis ; corium 



ferrugineum ; inembrana apice albida, 



Male. Black, flat, linear, smooth, shining. Head conical, very 

 small, narrower than the fore border of the prothorax. Eyes slightly 

 prominent. Rostrum extending to the tniddle coxa). Antenna.' rather 

 stout, a little less than one-fourth of the length of the body; second joint 

 about half the length of the liist; third much shorter than the second; 

 fourth longer than tiie second. Prothorax transverse, thinly punctured, 

 rounded on each side and mm;h narrower towards the fore imrder, with a 

 very sli<;ht 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 tibiiu stout, 

 slightly curved, with two ajiical sjiurs; fore tarsi very short. Wings 

 extending to the tip of the alidomen. Corium of the fore wings Icnu- 

 ginous ; membrane whitish at the tij). Length of the body [>\ lines. 



The fore legs of this species are fossorial, but less so than those of 

 I. sulcatus. 



a. IMount Ophir. Presented by W. W. Saunders, Esq. 



