Lea — On Australian Coleoptera 399 



ously longer than hind ones, and with very wide tibiae and tarsi ; femora armed. 

 Length ( d' $ ), 4-5 mm. 



9 Diii'ers in having the head smaller, clypeus unarmed, eyes more widely 

 separated, punctures of upper-surface smaller, legs much shorter and thinner, 

 front ones no longer than the hind ones, femora unarmed and abdomen more 

 convex, with a large, round, deep, apical fovea. 



Hab. North Western Australia (Macleay MuseumJ, King's Sound (Black- 

 burn's collection from W. W, Froggatt). Type, I. 4435. 



A large blue species readily distinguished from all other blue ones, and the 

 blue variety of concolor, by the powerful armed legs of the male, and by the 

 armed clypeus; D. laminatus, with somewhat similar clypeus and strong (but 

 unarmed) legs in the male, is smaller, darker, and the male has a conspicuous 

 opaque patch on the side of each elytron. The tooth on each of the front femora 

 is not very acute, but it is quite distinct, on the middle ones it is less distinct, but 

 it is almost absent from the hind ones. On many specimens the blue has a violet 

 tinge, on the head, partly owing to the clothing and punctures, it appears duller 

 than elsewhere. 



DITROPIDUS FOVEIVENTRIS sp. nov. 



$ Black with a bronzy green gloss, elytra blackish blue, labrum and basal 

 half of antennae somewhat flavous, upper-surface of basal joint infuscated. Heatl, 

 under-surface, and legs with sparse, inconspicuous pubescence. 



Head with moderately dense and sharply defined but rather small punctures ; 

 median line narrow at base, wide and shallow in middle. Eyes widely separated. 

 Prothorax more than twice as wide as the median length, sides strongly rounded ; 

 with a row of distinct punctures at base, but interrupted by scutellar lobe, else- 

 where with small, and not very dense punctures. Elytra suboblong; with rows of 

 narrow and, for the genus, very small punctures, becoming more distinct on the 

 sides, where they are set in shallow striae ; interstices with sparse and small punc- 

 tures. Abdomen with a very large, round, deep, apical fovea. Legs stout. Length 

 4 "5 mm. 



Hail. South Australia: Port Lincoln (A. M. Lea). Type (unique), L 

 10986. 



A large black oblong-elliptic species, with a bluish or greenish gloss in places ; 

 the seriate punctures on the elytra are much smaller than on any other large 

 species, and even on the sides the striae ( not including the lateral gutter which 

 is distinct throughout) are lightly impressed, characters which readily distinguish 

 the species from D. concolor, D. carbonarius, D. coelestis, D. laminatus, D. im- 

 pcrialis, and other large ones ; the punctures on the interstices, although small, are 



