wafer-beetles of Japan. 441 



vage testaceo-siguatis, fortissime punctatis ; clypeo anterius mar- 

 ginato. Long. 1| mm. 



This is a very distinct species of remarkably short 

 form, and, owing to its margined clypeus, is to be placed 

 in Group 1 of my arrangement of the species of this 

 genus. The thorax is only finely punctate, and has a 

 very distinct plica on each side ; the punctuation of the 

 elytra is very coarse, and there is a basal plica con- 

 tmuous with that on the thorax and of about the same 

 length. 



Yokohama, and Sakai near Osaka, June 7th, 1881. 



Hijphydrus japonicus. 



Hijphydrus japonicus, Sharp, Trans. Ent. Soc. Lond., 

 1873, p. 54. 



H. frontalis, Sharp on Dyt., p. 381. 



Mr. Lewis having brought back a considerable series, 

 I am unable to distinguish H. frontalis from H. japonicus, 

 and consider they are but one species varying con- 

 siderably in punctuation. All the females belong to the 

 opaque form, there being no examples like H. japonicus 

 ? a, or H. frontalis 2 of my monograph. The tubercle 

 on the 1st ventral segment of the male is probably 

 subject to being worn down as the result of some 

 attrition. 



Hyphydrus Iceviventris. 



Hyphydrus Iceviventris, Sharp on Dyt., p. 381. 



Yokohama, Tokio ; apparently rare. Only two males 

 ha7e been found; one of them has a carina on the 1st 

 ventral, so that it is probable the presence of a peculiar 

 dull space instead of this carina (as described in the 

 monograph) is the result of the latter being worn down 

 by attrition. 



Ccelambus vittatus. 



Ovalis, convexus, nitidus, feiTugineus, protlioraee basi capiteque 

 utrinque nigricantibus, elytris lineis nigris longitudinalibus ad 

 basin discretis, ad apicem fere confluentibns ; subtus pectore ab- 

 domineque nigerrimis, nitidis ; antennis extrorsum fuscis ; elytris 

 ad basin parce fortiter punctatis, punctis subtilioribus immixtis, ad 

 apicem dense punctatis. Long. 5 mm. 



Mas, unguiculo anteriore tarsorum anticorum crassiore, magis 

 curvato, subabbreviato. 



