71 
R. cecus, sp. nov. Ovalis; convexus; pilis argenteis suberectis 
sat dense vestitus; sat nitidus; subtilissime sat crebre 
punctulatus; totus ferrugineo-rufus; prothorace quam 
longiori vix duplo latiori, elytris basi angustiori, antice 
parum angustato, lateribus fere rectis, angulis anticis 
rotundatis haud prominulis, posticis fere rectis. Long., 1 1. ; 
ie le vax) 
The silvery pubescence of the upper surface is mingled with 
fine hairs longer and more erect than the rest. The prosternal 
ridge is sharply pointed in front, but owing to the strong con- 
vexity of the prosternum (of which it forms the flattened median 
surface) it is less noticeable than in most of the Ahizobii, and 
requires to be looked at from a particular point of view (obliquely 
from the side) to be seen distinctly ; the carine limiting the ridge 
are excessively fine. The prothorax covers the eyes more com- 
pletely than in most Rhizobiz, but owing to the thin substance of 
the former the eyes can be seen through it. It may be dis- 
tinguished from its Australian congeners, having mixed 
pubescence and a prosternal ridge sharp in front, by its uniform 
rufous colour. 
N. 8. W.; taken by Mr. Koebele at Gosford. 
R. lanosus, sp. nov. Sat late ovalis; sat convexus; nitidus ; 
supra pilis erectis ochraceis confertissime vestitus ; piceo- 
niger, haud eenescens, tarsis rufescentibus, antennis palpis 
abdomineque rufo-testaceis ; capite prothoraceque sat crebre 
subfortiter, elytris fortiter paullo minus crebre, punctulatis ; 
prothorace quam longiori plus quam duplo (postice quam 
antice haud multo) latiori, lateribus fere rectis, angulis 
anticis rotundatis vix prominulis, posticis fere rectis. Long., 
Bales lat. 15-1. 
This species is readily characterised by its non-metallic surface, 
together with its dense even clothing of erect ochraceous (not 
silvery or whitish) pile. The flattened surface of the prosternal 
ridge is very wide (not at all pointed) in front. In my tabulation 
of Rhizobius (Tr. Roy. Soc. 8. A., XL, pp. 203-4) the present 
insect would require the formation of a distinct subsection (line 
2, p. 204) as follows :—“ B.B.B. Elytra very densely and evenly 
clothed with erect pubescence.” 
Queensland ; Toowoomba; taken by Mr. Koebele. 
Rk. pulcher, sp. nov. Ovalis; convexus; pilis albido-argenteis 
brevibus sat dense vestitus; supra testaceus capite et 
maculis nonnullis in elytris positis infuscatis ; subtus piceus 
abdominis lateribus et apice plus minusve testaceis ; pedibus 
sordide testaceis, femoribus plus minusve infuscatis ; capite 
prothoraceque obscure subtilissime, elytris distincte vix 
