THE TRAP-DOOR SPIDER. 



69 



the touch. It is but sHghtly 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 



