18 INIr. C. O. ^\ alorhouse on various 



cordiform. Elytra depressed, not pubescent, extremely 

 finely and closely ptinctiired, Avith larger (but still very 

 fine) punctures scattered over the surface ; scarcely as 

 broad as the thorax at the extreme l)ase, but rapidly 

 becoming wider posteriorly, broadly roimded at the apex. 

 Underside velvety, ])iceous, varied Avith ]iitchy-testaceous. 

 Femora and coxiu shining testaceous below. Tibial very 

 slender. Tarsi not very long, slender. 



Hah. — China (.7. C. Bowring, Ks(p). Brit. Mus. 



Parnid^e. 



Potamoj^hilus perplexus, sp. nov. 



Elongatus, nigro-piceus, dense subtillter grlseo-pu- 

 bescens. Capite sat magno; antcnnis articulis duobus 

 basalibus rufescentibus. Thoracc longitudine vix latiori, 

 antice angustato, angulis anticis detlexis obtusiusculis 

 supra impressis, lateribus levissime flexuosis, angulis 

 posticis vix acutiusculis, basi trisinuato. Scutello parvo, 

 cordato. Elytris thoracc vix latioribus, ad apieem acumi- 

 natis, distincte punctato-striatis, interstitiis vix convexis; 

 singulo elytro ad apieem intus oblique truncato, inde fit 

 ut elytron in dente parvo termiuet. Pedibus longis, 

 femoribus subtus piceis. 



Long. 2\ lin.; lat. -^q lin. 



This species is evidently closely allied to P. orientalis, 

 Coquercl, but (judging from the figure of the thorax, and 

 the description) it differs in having the sides of the thorax 

 much less flexuous, indeed they are nearly straight ; the 

 posterior angles (which are impressed above) are scarcely 

 acute and the extx'cme point is blunt, and they are not 

 directed backwards. The elytra are scarcely broader than 

 the thorax at the base, Avhereas in /'. orientalis they are 

 said to be much broader. 



Ilab. — Java (J. C. Bowring, Esq.). Brit. Mus. 



Parygrus, Er. 



General form that of Parnus. Thorax Avithout any 

 lateral groove. Antenna? eleven-jointed, Avith the second 

 joint produced and reflexed anteriorly. Eyes hairy. 

 Mesosternum not broad, triangularly notched in front to 

 receive the jirosternum. 



This genus is established by Erichson for some im- 

 described South American Parni of narrow form, Avith 

 strongly striated elytra. I very reluctantly here associate 



