Melolontha. | LAMELLICORNIA. * 53 
M. hippocastani, F. Very like the preceding, but, on an average, 
a little smaller, and more darkly coloured; the general pubescence is 
thicker and of a more mealy appearance, and the hairs on the elytra are 
thicker and almost scale-like ; the pygidium also, or rather its process, is 
more densely pubescent and constricted at base ; in the male the third 
joint of the antenne is thickened at apex and armed in front with a 
sharp tooth, and in the female the first lamella of the club is shorter 
than the remainder, L, 18-24 mm. 
On and about trees, &c.; very local; Banks of Windermere (Stephens) ; North- 
umberland and Durham district, Long Benton and in the woods below: Gilsland, 
not uncommon in the latter locality. Scotland, local, Clyde, Forth, Tay aud Moray 
districts; Ireland, Roebuck and Greystones near Dublin; it does not occur in 
England further south than the Lake district, and in Scotland appears partly to take 
the place of the preceding species. 
In giving the lengths for the Lamellicornia some authors appear to 
have reckoned to the apex of the elytra, and others to apex of pygidium ; 
hence has arisen a discrepancy in certain cases, which I cannot otherwise 
explain. 
(Polyphylla, Harris. Although all the specimens of Polyphylla fullo 
that have been taken in Britain are undoubtedly importations, yet as 
they are contained in all our old collections it is scarcely possible to 
pass over the insect without a short notice; the genus may easily be 
distinguished from Melolontha by the fact that the tarsal claws are 
toothed at base, and that in the female the club consists of only five 
lamelle.) 
P. fullo, F. (Melolontha fullo, auct.). A very large species, upper 
surface chestnut-brown, dark brown, or almost black, clothed with 
patches of white scales, which give the insect a variegated appearance ; 
on the head they take the form of two lines near eyes, on the thorax of 
a longitudinal central line and lines and marks at sides, and on the 
elytra they are very irregular, and cause them to present a marbled 
appearance ; the scutellum is thickly clothed with whitish or yellowish 
scales, and the under-side is very closely pubescent, the pubescence of 
the front part being villose ; the sculpture of the upper surface is coarse ; 
antenne and legs lighter or darker reddish. L. 24-34 mm. 
Stephens remarks that all the known British specimens have been 
captured on the sandy coasts of Kent, between Hythe and Ramsgate, 
chiefly in the neighbourhood of Deal and Sandwich, at which latter place 
eight examples were taken in July, 1815. Mr. W. Marshall, of Bexley, 
Kent, has in his possession a specimen taken alive near Belvedere, 
Kent ; it had certainly been imported. 
SCARABZIDA PLEUROSTICTI. 
In this group the abdominal spiracles, with the exception of the 
anterior ones, are situated in the dorsal portion of the last ventral 
