123 



base densely, transversely strigose. Antennae rather short, 

 third to eighth joints obtusely serrated. Prothorax strongly 

 transverse, sides strongly rounded, a wide shallow depression 

 near base; almost impunctate. Elytra short, feebly dilated 

 posteriorly; with sparse rugulose punctures. Legs not very 

 long, basal joint of front tarsi large, lopsided, and with a 

 black inner comb. Length, 4*5 mm. 



Hab. — South Australia: Mount Lofty Ranges (A. H. 

 Elston). Type (unique), I. 12251. 



A rather wide species, with head very differently sculp- 

 tured from the many similarly coloured ones; in width it 

 is second only to H. major. 



Helcogaster oxyteloides, n. sp. 



<3 . Black; prothorax flavous, basal joints of antennae, 

 tibiae and tarsi, obscurely flavous. With sparse dark hairs, 

 more numerous on sides than elsewhere. 



Head rather large ; a shallow depression each side in 

 front, with a feeble median elevation between them ; apical 

 half shining and with sparse punctures, basal half opaque 

 and with dense ones. Antennae rather long, third to ninth 

 joints distinctly serrated. Prothorax moderately transverse, 

 sides and base rounded, a vague open depression near base. 

 Elytra short; almost impunctate. Basal joint of front tarsi 

 large, lopsided, with a black inner comb. Length, 2'5 mm. 



Hab. — Victoria: Sea Lake (J. C. Goudie's No. 829). 

 Type, I. 12123. 



The head is much the shape of that of many species of 

 Oxytelus, of the Staphylinidae; the impressions on its front 

 are quite distinct, but the head could not be regarded as 

 largely excavated, hence in my table the species would be 

 associated with H. bilobtis, which has the head even less 

 excavated, and bicolorous elytra. Many of the punctures, at 

 the base of the head, are longitudinally confluent. 



A female, mounted with the type by Mr. Goudie, and 

 probably belonging to the species, differs from the male in 

 being smaller (2*25 mm.), in having the pale parts of the 

 legs and antennae more extended, and of a brighter colour, 

 head much smaller, its shining and impunctate portion con- 

 tinued to nearer the base, frontal impressions smaller, 

 antennae shorter, elytra with fairly numerous punctures 

 (which although not sharply defined cause the surface to 

 appear finely rugulose), and front tarsi combless. 



Helcogaster atriceps, n. sp. 

 c? . Black; prothorax, basal joints of antennae, and 

 knees more or less flavous. With sparse, dark hairs. 

 e2 



