BY WALTER W. FROGGAT'J', 409 



it — "A cosmopolitan, slightly variable species." I have received 

 it, in company with the last, from several of the Pacific Islands, 

 the Carolinas, and Tonga. 



COLEOPTER^. 



Family Hydrophilid.e. 



Dactylosternum abdominals Fabr. 



This beetle has a very wide range through the Australian and 

 Oriental regions, and is common on the Mediterranean. Mr. J. 

 J, Walker says — " I have taken it at Gibraltar. It is probably 

 disseminated by commerce, as it lives in rubbish and decaying 

 vegetable matter; and I should not be surprised if it turned up 

 some day in England." It is a small, shining, black beetle, with 

 reddish-brown antennae and palpi; and the elytra marked with 

 fine, parallel, punctate striae. Length about i inch. 



Xylopertha sp. 



This handsome little Bostrychid beetle was submitted, with 

 others, for identification, to Mr. J. J. Walker, who furnished the 

 following note — " This is a common Australian Bostrychid, near 

 the genus Xylopertha, if not actually belonging to it." He could 

 not determine the species, however. Mr. A. M. Lea, of Hobart, 

 who also examined it, said it was unknown to him. 



Head and thorax black, with the front of the latter covered 

 with tine rugose points on either side, and finely punctured in 

 the centre, the rest of the upper surface finely rugose. Legs and 

 elytra leddish-brown, the latter very finely and closely punctured, 

 furnished with a fine flange round the outer margin. Length 

 ^ inch. 



Trogosita (Tenebroides) mauritanica Linn. 



There are a number of specimens of the world-wide flour-beetle 

 from Nauru. This curious, flattened, shining, black beetle has 

 been redescribed under a number of dififerent names; and has 

 been spread all over the civilised world, with flour and grain, the 



