THE TRAP-DOOR SPIDER, 
69 
the touch. It is but slightly adherent in places to the outer 
tube, and can be separated without any difficulty and without 
injuring the one or the other. 
The texture of the interior surface is quite unlike that of the 
NEST OF TRAP-DOOR SPIDER. 
(From a Specimen in the collection of Lieut. -Col. C. J. Cox.) 
inner or outer tube, being nearly white and of a smoothness and 
consistency much resembling the rough and unsized paper on 
which continental books are usually printed. It is curiously 
stiff also, and is so formed that no one who saw it for the first 
