Entomology. 545 
Staffordshire (probably enclosed by the middle of the thirteenth 
century); Chillingham Park, near Belford, Northumberland (pos- 
sibly enclosed before 1220); Cadzow Park, Lanarkshire; and 
Somerford Park, near Congleton, Cheshire. Cadzow Park occupies 
a portion of the old Caledonian Forest. At Blickling and Wood- 
a 
Fissipedia, the first of which is arranged under the families Arcto- 
cyonidæ, Mesonychide, Hyznodontide, Leptictidee, Oxyænidæ, and 
Miacidæ. The Canide are placed with the Arctoidea, which thus 
corresponds with the Hypomycteri of Cope. 
ENTOMOLOGY:.! 
; , Thom- 
‘sus aleatorius Hentz, is remarkable for having the two anterior 
pairs of legs very long, while the two posterior pairs are very slen- 
er and short. The spider is very common on grass. One sum- 
Neg day , While reclining in the shade, I watched an individual of 
a Species as it passed from one culm to another. Soon it ran up 
e stem a short distance and suddenly disappeared from view. 
or Some time I was greatly puzzled as to the manner of disap- 
rance. Upon close scrutiny I saw the spider clinging with its 
peor legs to the stem. Its two anterior legs on each side were 
approximated and extended outward, forming an angle with the 
r strikingly similar to the angle formed by the spikelets. 
d species of Cyrtarachne mimics a snail shell, the 
z 
on the leaves of pl ° i , 7 
plants in this place. In the species of Cyrtarachne 
v abdomen partly covers the cephalothorax, is very broađat the 
“i c this species broader than the length of the spider, and 
1 mcs off at the apex. When it rests upon the under side of a 
With its legs retracted it strongly resembles one of these snail 
Pag Department is edited by Prof. J. H. Comstock, Cornell Uni- 
ete., s 
, Ithaca í 
ould be s oc Y., to whom communications, books for notice, 
