134 
BRITISH BEETLES. 
larva of S. grisea, a commoner willow-bark species, 
is dirty white, neai'ly oval, narrowed behind and rather 
flat, with a small horny head, bearing three simple 
eyes on each side, two large horny prothoracic plates, 
and a transverse row of small plates on each of the 
remaining segments, which have also a lateral pro- 
jection terminating in a bristle ; the last segment has 
two pairs of horny hooks on the upper side, and a 
cylindrical anal tube. 
The (British) Oychramina have the protliorax cover- 
ing the base of the elytra, the club of the antennae 
more or less loose, and the elytra covering nearly the 
whole of the abdomen, at most part of the pygidium 
being exposed ; the three basal joints of all the tarsi are 
widened. We possess one genus only, Cych/ramus ; 
the species of which, — brown, broad, and very 
pubescent, — abound in May blossom and fungi. 
The Ipina have a single lobe to the maxillae; the 
front of the head produced so as to cover the labrum ; 
and the fourth joint of the tarsi very small ; the elytra 
(except iu Cryptarcha ) not entirely covering the ab- 
domen ; the antenna) eleven-jomted, and the tarsi 
five-jointed; they are usually elongate and narrow, 
but in some cases oval or subhemispherical. 
Oryptarcha (which very much resembles certain of 
the Niticlulina, and is found at the sap of trees, 
especially if OossMs-infected) has its mesosteruum 
covered by an elongation of the prosternum ; which 
elongation is not so evident in other genera ; the body 
is oval, and the upper surface more or less pubescent. 
Ips, flat, elongate, shining, and mostly black with red 
spots, frequents freshly-cut pine-trees, &c., beneath 
the bark of which its larvae are found. M. Perris 
(“ Annales,” ser. 3, i. p. 598 et seq.) states that T. fer- 
