29 
by the very much less close puncturation of its head, and from 
B. metallicus, Reitt., by the total absence of any metallic tone 
of colouring. 
W. Australia; taken by E. Meyrick, Esq. 
NV. lilliputanus, sp. nov. Ovalis; tenuiter pubescens; brunneus, 
antennis palpis pedibusque dilutioribus; capite squali 
subtiliter minus crebre punctulato; prothorace sat transverso, 
antice minus angustato, subtilissime sat sparsim punctulato, 
angulis posticis rotundatis; elytris subtiliter magis crebre 
subaspere punctulatis. Long., = 1.; lat., 2 1. (vix). 
Its extremely small size will distinguish this species from its 
allies. The even surface of its head associates it with nitidias- 
culus, creber, and the species I have called testaceus?, all of which 
are very differently punctured. 
S. Australia; Iam doubtful of the exact habitat, but believe 
it to be near Adelaide. 
IDATHINA. 
I. cincta, Blackb. I have recently received from M. Grouvelle 
an example of J. Deyrollei, Reitt., which M. Grouvelle informs 
me has been compared with the type. In describing J. cincta 
(Tr. R. Soc. 8.A., 1891, p. 107) I expressed some slight doubt as 
to its generic identity with the typical species, which, however, 
M. Grouvelle’s favour has proved to have no foundation. In 
fact, J. concta is nearer to Deyroller (even specifically) than I 
had supposed. Compared with the example of the latter (from 
N.S. Wales) which, M. Grouvelle has sent, its elytra are distinctly 
striated throughout, whereas, at any rate near the suture, there 
are no striz in the N.S. Wales specimen. In J. cincta moreover 
the underside is much more closely punctulate; this is especially 
noticeable on the middle part of the metasternum which, in the 
example from M. Grouvelle, is very nitid and bears only very 
sparse and fine puncturation. 
COLYDIIDAi. 
TRISTARIA. 
I do not think there can be any doubt that the species 
described below should be referred to this genus, which has very 
strongly marked characters; the tetramerous tarsi, 2-articulate 
antennal club, very widely separated coxe, and elongate basal 
ventral segment of Bothrideres, in.combination with considerable 
elongation of the palpi and antenne, partial exposure of the 
pygidium, slenderness of tibie, &c. The species described below 
agrees very well with the diagnosis of this genus in respect of all 
the above-named characters, but it has not “simple mandibles,” 
