204 Arthur M. Lea: 



side marking the side of the femoral groove. Metasternum 

 almost as long as pro- and mesosternum combined, and dis- 

 tinctly longer than abdomen, with a narrow continuous median 

 line. Legs rather long ; hind coxae unusually large ; femora 

 grooved for reception of tibiae, and tibiae for reception of tarsi ; 

 tibiae with thin, wide, flange-like extensions. Length 4^, width 

 3 mm. 



Hab.—'^.S. Wales: Grenfell (E. W. Ferguson). 



The total absence of striation and almost total absence of 

 punctures (such as are present are very small and indistinct), 

 with the smooth surface (although with depressed parts), absence 

 of humeral tufts, and larger size, render this species very dis- 

 tinct. The absence of epaulettes with the very large hind coxae 

 are probably indicative of generic rank, but the species of this 

 genus (as also of Articerus) differ in so many important details 

 that it seems advisable to allow very considerable latitude in 

 features that ordinarily would be regarded as generic. 



The pale elytral margins are very distinct, but rapidly merge 

 into the general colour without a distinct dividing line ; the 

 apical half of their margins, as also the entire lateral margins 

 of the prothorax, from some directions, are seen to be diluted 

 with red, but from other directions appear scarcely, or not at 

 all, paler than the general colotir. Except for a few indistinct 

 setae on the under surface of the tarsi, the insect is entirely 

 glabrotis. On the type the antennae are completely immersed 

 with the receptacles for them., so that only the basal joint of 

 each is visible. Each in area is about as large as the head, 

 irregularly triangular in shape, and impunctate. Several of its 

 legs are damaged, but the four hind tibiae each have a strong 

 flange-like extension rather suddenly commencing about the 

 basal third, and gradually diminishing, with a rounded outline, 

 to apex. 



Dr. Fergtison found the type on Weddin Mountains, Sep- 

 tember, 1907, under a log in company with remains of ants. 



Chlamydopsis rorho. n.sp. (Figs. 20, 47, 48.) 



Black, subopaque, legs reddish castaneous, elytral margins 

 obscurely dihited with red. With a few short pale setae scat- 



