242 



in the rows are sometimes close together, but at the summit 

 of the apical slope they are not all set in striae as on that 

 species. The distance between the eyes of the male is about 

 equal to the four basal joints of antennae, in the female it> 

 is slightly more; the prothorax of the female has very small 

 but distinct punctures, but except on very close examination 

 they appear to be absent from that of the male. On the 

 two males before me the flavous tips of the elytra are very 

 conspicuous, but on the only female the tips are very 

 obscure, and the pygidium is no paler than the rest of the 

 abdomen. 



DiTROPIDUS MACEOCEPHALUS, n. Sp. 



d. Black; labrum, basal half of antennae, palpi, and 

 tarsi more or less obscurely diluted with red. Glabrous. 



Head opaque and unusually wide, median line very 

 feeble; clypeus rather large and triangularly notched in front; 

 jaws large and prominent. Eyes widely separated. Antennae 

 short, joints of the club close together. Prothorax opaque, 

 more than thrice as wide as long, sides moderately rounded, 

 median lobe short and feebly notched. Scutellum \qtj 

 minute. Elytra slightly shorter than the basal width; 

 slightly sha^reened, with inconspicuous rows of punctures, 

 but on the sides set in fairly deep striae. Legs not very long, 

 front ones longer than hind ones, their tibiae fiat and some- 

 what curved. Length {cS , 9 )? 1*75-2 mm. 



9 . Differs in having the head much smaller, clypeus 

 not triangularly notched, jaws much smaller, prothorax much 

 narrower in front, elytra slightly longer, legs shorter, the 

 front- ones no longer than the hind ones, and abdomen larger, 

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



Hah. — Australia (old collection); Western Australia: 

 Geraidton, Swan River, and Bridgetown (A. M. Lea); South 

 Australia: Mount Lofty (A. H. Elston), Port Lincoln (Lea). 

 Type, I. 10931. 



A small, short species, that I was inclined at first to 

 regard as belonging to a new genus. The elongated clypeus 

 triangularly notched in the male is decidedly aberrant, but 

 the powerful jaws, although not common in the genus, occur 

 in several species. The head and prothorax under a hand- 

 lens appear to be impunctate, but under a compound power 

 their opacity is seen to be due to very dense and minute 

 punctures. The distance between the eyes of the female is 

 a trifle less than in the male, but this is due to the much 

 smaller size of its head; on the male, owing to its large' head, 

 the front of the prothorax is not much narrower than its 

 base; the intercoxal process of the prosternum is gently 



