56 REVISION OF THE AUSTRALIAN AMARYGMIDES, 



colour of the vestiture of the underside of the tarsi and the width 

 of the interval between the eyes. This latter character might be 

 regarded with natural suspicion as likely to be only sexual, but 

 I do not find that to be the case. In the instance of the few 

 species in which I have been able to make sure of the sexes l)y 

 the dissection of the internal organs, I have found that the eyes 

 of the male are as widely separated from each other as those of 

 the female. 



The external sexual distinctions appear to be very slight. The 

 male is usually somewhat smaller and narrower than the female, 

 and his antennse and tarsi are usually a little longer and more 

 slender. 



A. Eyes not (or scarcely) bordered by a 

 sulcus. 

 B. Legs entirely of dark colour. 

 C. Underside not metallic-iridescent. 

 D. Tarsal vestiture black or nearly so. 

 E. Prothorax of normal form and 

 sculpture (i.e., not as EE, EEE, 

 &c.). 

 F. Elytra not (or scarcely) striate. 

 G. Seriate puncturation of elytra 

 entire. 

 H. Size moderate or small (under 

 8 lines). 

 I. Head punctulate between the 

 eyes. 

 J. Interstices of elytra distinctly 

 and more or less closely 

 punctulate. 

 K. Punctures in lateral series 

 of elytra close [at least 4 

 punctures (in 7 th entire 

 series) in a length equal 



