EXPLANATION OF PLATE A. 



Fig. 1. Trieeris stenaapis, Sim. 2. Eyes from above and behind. 3. Underside 



of fore-part of abdomen. 



,, 4. Hilaira pervicax, J. E. Hull. Genital aperture. 



5. Erigone spinosa, Cambr. Full figure, upper side. 6. Profile of cephalo- 

 thorax and falces, 7. One of the palpi ; e, characteristic spine 

 beneath the cubital joint. 8. Palpus of Erigone atra, Bl. ; d, 

 characteristic spine beneath cubital joint, showing difference from 

 Fig. 7 e. 9. Profile of female falx. 10. Genital aperture, 

 female. 



,. 11. Cornicularia valida, Jackson. Eyes from above and behind. 12. Profile 

 of cephalothorax. 13. Genital aperture. 14. Underside of 

 hinder -part of abdomen. 

 ,, 15. Epeira dromedaria, Walck. Female. 16. Genital process. 17. Ditto 



in profile. 



,, 18. Epeira agalena, Bl. Male, palpus shewing structure of palpal organs ; 

 a, b, the two characteristic processes. 19. These two processes 

 from another point of view. 20 and 21. The same from other 

 points. 22. Genital process (female). 



23. Epeira trigtittata, Jaekson-Kulcz-B6s. Part of male palpus, showing 

 palpal organs ; a, b, c, the three characteristic processes. 

 24. Genital process, female. 25. Variety of male. 26. Part of 

 male palpus, showing the three characteristic processes of the 

 palpal organs from another point of view. 

 , , 27. Tarentula miniata, C. L. Koch. Right palpus of male from outer side. 



28. Genital aperture, female. 



,, 29. Tarentula meridiana, Hahn. Eight palpus of male from outer side. 

 30. Genital aperture, female. 



N.B. The short lines indicate the natural length of the spiders. 



