200 Transactions of the Boyal Society of South Africa. 
it with the anterior band which, hke the posterior, has both margins very 
deeply incised, and both are broadly disconnected from the outer margin. 
In some examples the fuscous dorsal part is divided into three superposed 
patches. 
Length 12-13 mm. ; width 5^-6 mm. 
Hab. Southern Ehodesia (Matoppos) ; Bechuanaland (Moroqueng, 
Kenya). 
Mylabris DEROSA, n. sp., 
Plate XXIII., fig. 52. 
Black, covered with a dense, appressed, silky, flavescent pubescence 
on the under side, head, and prothorax ; antennae rufescent yellow^ with 
the two basal joints black, the third joint slightly longer than the fourth ; 
head and prothorax very closely and finely punctate, the former with 
a very indistinct frontal smooth macule, the latter with a deep median 
discoidal impression ; background of elytra very deeply and closely 
punctate, the punctures somewhat roughened, giving the appearance of 
a slightly shagreened surface, the yellow bands and patches are coriaceous 
only, on each side is a basal dorsal lunule the arcuate part of which 
reaches the suture, and a moderately large lateral patch, the anterior band 
reaches from the suture to the outer margin, the anterior border is 
shallowly bi-incised, the posterior plainly tri-dentate ; the post-median 
band is broad along the suture, and tapers strongly from the centre to the 
outer margin, the fore border is deeply tri-sinuate, and the hind one 
bi-sinuate. 
Length 14-14|- mm. ; width 6 mm. 
Hab. Transvaal (Pietersburg). 
Mylabris pruinosa, Gerst., 
Plate XXIII., fig. 53. 
Monatsb. Berl. Acad., 1854, p. 694 ; Peter's Eeis., 1862, p. 302, pi. 18, 
fig. 2 ; Mars., Monogr., p. 443, pi. iv., fig. 28. 
Under side, head, prothorax, and scutellum clothed with a very dense, 
appressed, silky, light flavescent pubescence ; antennae rufescent yellow 
with the two basal joints black, third joint as long as the fourth, and both 
sub-cylindrical ; in addition to the appressed flavescent hairs the head 
and prothorax bear some erect black hairs ; head and prothorax very 
closely punctate, the former with a distinct frontal longitudinal raised 
line ; elytra strongly coriaceous even on the orange-yellow patches or 
bands, with the pubescence somewhat long, flavescent and greyish, each 
elytron with a large, rounded basal dorsal band, and a lateral elongated 
patch, the moderately narrow anterior band is slightly slanting from the 
