TRAP-DOOR SPIDERS. 



79 



Of these two only (A and B) were known up to 

 the present time, the construction of which is much 

 simpler than that of the two new types (C and D), 

 which I have hitherto only found at Mentone and 

 Cannes.* 



It will be seen at a glance that A and B have but 



* It must not be supposed that I have a sole or prior claim to what may 

 prove to be new and of interest in the following observations on the Trap- 

 door Spiders of the Riviera. This prioritj- belongs to the Hon. Mrs. Richard 

 Boyle, to whom I owe it that I ever took np the subject. It was, thanks to 

 her guidance, that I first became acquainted with these marvellously-con- 

 cealed nests in their native haunts, and to her active help that I finally 

 arrived at a comprehension of the different types of structure which they 

 present. 



