COLEOPTEROUS INSECTS. '231 
it, for the first time, near the base of the Rocky 
Mountains. A very numerous flock had there taken 
possession of the few diminutive bushes that oc- 
curred within the space of a hundred yards, every 
spray of which was burdened with their numbers. 
After passing this limited district, not an individual 
was seen during the remainder of the journey. On 
the recent expedition of the same officer to the 
river St Peter, I obtained but a single specimen, 
which was found one evening at an encampment in 
the North-West Territory.” 
The next primary division of this order contains 
all beetles which have four joints in each foot, and 
is accordingly named 
TETRAMERA. 
An extensive family of this division have the 
head elongated into a kind of snout or beak ; these 
constituted the Linnaean genus Curculio, and in this 
country are named weevils. They are very nume- 
rous, amounting to nearly three thousand. They 
invariably feed on vegetable substances, and many 
of them commit much injury to the produce of our 
fields and gardens. The genus Apoderus is distin- 
guished by the length of the neck, which is united 
to the thorax by a kind of rotula. The rostrum is 
