EXPLANATION OF PLATE A. 



Fig. 1. Corinna prcestans, sp.n. male. Eyes from above and behind. 

 2. Maxillae arid labium. 3. Profile of cephalothorax. 

 4. Radial, and portion of digital joint of left palpus on 

 outer side. 5. Digital joint and palpal organs. 



6. Theridion varians Hahn (variety), female. 7. Genital 

 aperture. 



8. Leptyphantes beatula, sp.n., male, profile of cephalothorax. 

 9. Eyes from above and behind. 10. Left palpus from 

 outer side. 11, Tibia of fourth pair of legs. 



12. Hilaira montigena, L. Koch, male, profile of cephalothorax. 

 13. Right palpus from outer side. 14. Radial joint of 

 right palpus, above and behind. 



15. Gongylidiellum blandum, Sun., male, outline of cephalothorax 

 and abdomen. 16. Profile of cephalothorax. 17. Ditto, 

 from outer side. 18. Left palpus on outer side. 19. Eyes 

 from above and behind. 20. Maxilla and labium. 

 21. Genital aperture (female). 22. One of the falces from 

 above and behind. 23. End of ditto. 



,, 24. Erigone Welchii, Jackson, male, profile of cephalothorax. 

 25. One of the falces in profile. 26. Left palpus on outer 

 side. 27. Genital aperture, female. 



,, 28. Tibellus maritimus, Menge, outline of abdomen, male. 

 29. Ditto, female. 30. Genital aperture, female. 31. Por- 

 tion of left palpus, male. 



,, 32. Tibellus oblongus, Walck.-Blackw., outline of abdomen, male 

 33. Ditto, female. 34. Genital aperture, female. 35. Por- 

 tion of left palpus, male. 



N.B. The short lines in the Plate indicate the natural length of the 

 various spiders. 



