81 



the preceding joints together) may separate this insect from 

 Saulostovius, but unfortunately Mr. Waterhouse's descrip- 

 tion of Saulosfonius does not refer to the antennas, and my 

 specimen of -S'. villosus has lost its antennae. The genus Homo- 

 tropus (unknown to me except by description) seems to have 

 similar antennae biit different mouth organs. 

 A.. pauxiJlus, sp. nov. Brunneo-ferrugineus ; subtus dense 

 longe fulvo-hirsutus ; capite sat crebre, prothorace in- 

 aequaliter sat subtiliter (hujus lateribus aequaliter modice 

 arcuatis, basi haud marginata, angulis posticis rotunda- 

 tis), pygidio ad latera sat crebre dupliciter in medio 

 sparsim minus subtiliter, elytris (his plus minusve stri- 

 atis) sat seriatim sat fortiter, punctulatis ; mento antiee 

 fortiter compresso elevato, antennarum flabello quam 

 articuli ceteri conjuncti vix lougiori ; prothorace antiee 

 impresso, margine antico in medio acute elevato ; tibiis 

 anticis extus tridentatis. Long., 5-6 1. ; lat., 3-g^-3-| 1. 

 This species is at once separable by its pronotum not 

 margined at the base from all its known congeners except A. 

 Richanhce, Blackb., with which, however, it is somewhat 

 closely allied. It is considerably smaller than that species 

 and of darker colour, the punctures of the dorsal surface in 

 general evidently deeper and less fine, and the elytra more 

 definitely striate. The outline of the prothorax is consider- 

 ably different, the lateral margins being lightly arched in 

 a continuous curve from base to apex, whereas in Richardsce 

 these margins are more like two curves meeting almost sub- 

 angularly slightly in front of the middle of the segment. If 

 the prothorax of Richardace be viewed from directly above 

 the sides appear almost straight and parallel from base to 

 beyond middle and then converging in a strong curve to the 

 front margin, while from a similar point of view they appear 

 as a continuous curve in paua'ilhts. The hind angles viewed 

 from above are bluntly rectangular in Richardsce- and quite 

 rounded off in paurillns. The front part of the mentum is 

 more compressed and elevated than in any other Aneury^ty- 

 pus known to me. In .4 . cahnis — the type of the genus — the 

 mentum is longitudinally concave (although the concavity 

 does not reach the front margin), but in other species the 

 concavity is only very near the base with the front part be- 

 coming more or less compressed, and in pauxilhis the com- 

 pressed prominence is very strong and begins to rise almost 

 from the hind margin of the mentum. One of the specimens 

 before me has tarsi a little shorter and pygidium less convex 

 than the others ; it is probably a female, though I should 

 have expected much more disparity between the sexes. 



Queensland ; Cunnamulla (Mr. Hardcastle, sent by Mr. 

 Lea). 



