On some Species of Crisia. 469 
lobe, the subapical constriction well marked, the apical 
margin strongly rounded dersally, the postocular lobes well 
developed ; the upper surface markedly convex in both 
directions, set with large shallow fovexw, which are more or 
less contiguous ; usually there is a small smooth space in the 
middle and a small low rounded prominence on each side just 
in front of it, and also a distinct short central carina on the 
basal lobe ; the scales are circular, much larger than those on 
the elytra, not overlapping, and each one filling a separate 
fovea ; where the three paler stripes lie there are scales only, 
in the intervening spaces there are fewer scales, the re- 
maining foves each containing a broad, raised, curved, scale- 
like seta. Elytra short, the width being nearly three-fourths 
of the length, the basal margin sinuate only in the middle 
for the reception of the thoracic lobe, the sides subparallel to 
beyond the middle, the 4pices jointly rounded; the strie with 
coarse punctures, which are almost hidden by the scaling, the 
intervals shiny, with minute shallow punctures beneath the 
scales, the declivity strongly impressed on each side before 
the apex ; the scaling dense and overlapping, interval 1 bare 
at the base only ; the setze sparse, broadly lanceolate, straight, 
and obliquely raised, almost lacking on intervals 4, 6, and 8. 
Length 5-53, breadth 23-22? mm. 
Lesser ANTILLES: Dominica (H. A. Ballou, type) ; bred 
from larve boring in the stems of beans, St. Vincent 
(W.. Sands), 
LIII,— Some Species of Crisia. 
By ArTHuR Wm. Waters, F.L.S., F.G.S. 
[Plate XVI. | 
AT the time when I first determined Crista from Naples the 
descriptions of our leading authorities were most unsatis- 
factory, as often several quite different species -were united 
under one name ; so that, while the separation and description 
of the species dealt with were correct, so far as they went, it 
was absolutely impossible without a large personal knowledge 
from various places, that all the determinations should be 
reliable—and all workers were finding the same difficulties. 
Although the Busk, Hincks, and other collections are now 
available for reference in South Kensington, our path is not 
yet smooth, and much work is still needed on the genus ; but 
