52 LIST OF COLEOPTEROUS INSECTS 
same time that it shifted its abode, must also have acquired new 
instincts becoming social and gregarious in its habits, and thus 
departing from the manners of most of the spider tribe, which 
are usually solitary, except when quite young. It may be said 
that numerous and large spiders’ webs are often met with in other 
dark underground places besides coal-pits, as cellars, caves, &c., 
but these are always constructed by larger species, each individual 
living separately and having its own web, the spiders forming 
them may also mostly be referred to the genus Tegenaira, to 
which our common house spider belongs.” 
PELTON COLLIERY, JANUARY 25, 1861. 
VITI.— List of Coleopterous Insects added to our Fauna during 1859 
and 1860. By Tuomas Jonn Boxp. 
1. Pogonus cHauceus, Marsh. 
Found sparingly on the banks of the river Wansbeck, between 
North Seaton and Cambois, in September. 
2. Aconum Ericet1, Panz., A. ruLGENs, Davis. 
To Mr. Perkins we are indebted for the addition of this beauti- 
ful insect to our fauna. Two specimens were captured by him on 
Muckle Moss in August last; one of these is the usual brilliant 
copper coloured type, and the other a very rare blackish-green 
variety, so dark in colour that a novice would fancy it specifically 
different from the other specimen. 
3. AMARA CONVEXIUSCULA, Marsh. 
Near South: Shields in August. Also taken by Mr. Perkins. 
The capture of this insect shows how desirable it is to avoid 
thinking that our locality has become exhausted. ‘For not less 
than fifteen years has the same ground been searched, often 
specially for this species, but always without success until this 
year, 
