Australian and Tasmanian Coleoptera. 135 



Dahra convexicollis, Lea. 

 Occurs in nests of Ectatomma metaUirum. 



Dahra myrmecopJiila, Oil. 



Recorded originally as from ants' nests. Messrs. Goudie and 

 Davey have taken it in nests of Iridomyrmex nitidus. 



Dahra cuneiformis, Oil. 

 Recorded originally as from ants' nests. 



Dabposoma, n.g. 



Head rounded at the base. Eyes small and mediolateral. 

 Prothorax almost truncate at apex, bisinuate at base, with the 

 hind angles feebly produced. Other characters much as in 

 Dabra. 



In Dahra, although not mentioned in the original description, 

 the head is closely applied to the prothorax, and produced on 

 each side at the base into a rather acute angle, and the eyes are 

 sub-basal.l Jn the present genus the head is rounded on each 

 side of the base, and the eyes are much smaller and more 

 median. 



Dahrosoma puhescens, n.sp. (Fig. 3.) 



Of a dull reddish brown, head and prothorax stained with 

 piceous, median segments of abdomen almost black. Finely 

 l^ubescent all over, except upper sui-fMce of four basal segments 

 of abdomen, which are shining and each with a row of small 

 setiferous punctures ; a few small setae at sides of prothorax, 

 elytra and abdomen. 



Head rounded, obtusely produced between antennae, with 

 indistinct punctures. Antennae passing base of elytra, not very 

 thin, first joint stouter and about as long as second and third 

 combined, these sub-equal in length and sub-triangular, fourth 

 to tenth gradually increasing in width, but none more than 

 moderately transverse, eleventh somewhat wedge shaped, slightly 



i The figure of the head (I'roc. I.iiiii. Soc. N.S. Wales, vol. i., 2iKi series, pi. 7, fi^'. 2), is 

 niisIeadiTig. 



