182 Mr. J. O. Westwood's Observations, Sfc. 



they will require feeding with flies ; but great care must be taken 

 in doing this, in opening the door of their cell. 



" I have the honour to be, Sir, 



" Your most obedient servant, 



" W. G. Chapman." 



** The Secretary of the Entomological ? 

 " Society." \ 



DESCRIPTION OF PLATE X. 



Fig. 1. — Actinopns adijicatorius of the natural size. 



2. — The same seen sideways. 



3. — The front of the body with the legs cut off at the base. 



4. — The mandible and front of the cephalo-thorax witli the legs removed to 

 show the parts of the mouth. 



5. — The front of the body seen from above. 



6. — The chelicera seen from beneath. 



7. — The maxilla and basal joints of the palpus. 



8 & 9. — The terminal joint of the palpus seen in different positions. 

 10. — The underside of the front of the body. 

 11. — One of the first and second pair of feet. 

 12. — The ungues of these feet. 

 13.— The third pair of feet. 

 14. — The terminal joints of this foot. 

 15 fie 16. — The ungues of these feet in different positions. 

 17. — The fourth pair of feet. 

 18. — The ungues of these feet. 

 19. — The abdomen seen from above. 

 20.— The abdomen seen from beneath. 



21. — A minute membranous flap between the base of the spinnerets. 

 22. — The outside of the orifice of the nest, with the door closed. 

 23. — The underside of the trapdoor. 

 24. — The top of the nest, with the trapdoor partly open. 

 25. — The same, with the spider pulling the door down. 



