18/2.] NEW SPECIES OF ERIGONE. 769 



Fig. 9. Erigone biscissa. 



a, cephalothorax and abdomen, in profile ; b, caput, from the front ; c, 

 left palpus, from outer side in front ; d, e, portions of ditto in two 

 positions, from behind. 



10. Erigone graca. 



a, cephalothorax and abdomen, in profile ; b, left palpus. 



11. Erigone alexandrina. 



a, cephalothorax and abdomen ( <J ), in profile ; b, caput ( $ ), from the 

 front ; c, right palpus ( <? ), from the front ; d, genital aperture ( ? ). 



12. Erigone simonii. 



a, cephalothorax and abdomen ( $ ), in profile ; b, caput ( <J ), from the 

 front ; c, left palpus, from outer side ; d, right palpus, from inner 

 side. 



13. Erigone sarcinata. 



a, cephalothorax and abdomen, in profile; b, cephalothorax, from above 

 and behind ; c, ditto, from the front ; d, left palpus. 



Plate LXVI. 



14. Erigone digitata. 



a, cephalothorax, in profile ; b, caput, from the front ; c, eyes, from the 

 front ; d, cubital and radial joints of left palpus, from above and be- 

 hind ; e, ditto of right palpus. 



15. Erigone kochii. 



a, b, cephalothorax, in profile ; c, caput, from the front ; d, cephalo- 

 thorax, from above and behind; e, right palpus; /, left ditto. 



16. Erigone monodon. 



a, cephalothorax and abdomen, in pi*ofile ; b, caput, from the front ; 

 c, right palpus, from above and behind. 



17. Erigone scurrilis. 



a, cephalothorax and abdomen, in profile ; b, left palpus ; c, cubital 

 and radial joints of right ditto ; d, caput, from the front. 



18. Erigone similis. 



a, cephalothorax and abdomen ( $ ), in profile; b, cephalothorax (id.), 

 from the front ; c, d, e, palpi ( <J ) in different positions ; e, genital 

 aperture ( $ ). 



19. Erigone pragracilis. 



a, cephalothorax and abdomen, in profile ; b, caput, from the front ; 

 c, right palpus ; d, left ditto ; e, portion of right ditto ; /, cubital 

 joint of palpus. 



20. Erigone saltuensis. 



a, cephalothorax and abdomen ( $ ), in profile ; b, ditto ( ? ) ; c, caput, 

 from the front ; d, palpus ( $ ) ; e, f, genital aperture ( <j> ). 



21. Erigone cito. 



a, cephalothorax and abdomen ( $ ), in profile ; b, caput, from the 

 front ; c, d, e, portions of left palpus ( $ ) in different positions ; /, 

 genital aperture ( $ ). 



22. Erigone blackwallii. 



a, cephalothorax and abdomen (<?)> m profile; b, caput (id.), from 

 the front ; c, d, e, left palpus ( $ ) in different positions ; /, genital 

 aperture ( ? ). 



23. Erigone elegans. 



a, cephalothorax and abdomen, in profile ; b, caput, from the front ; 

 c, ditto, above and behind ; d, left palpus, from outer side ; e, right 

 ditto, above and behind. 



24. Erigone alpina. 



a, cephalothorax. in profile ; h, ditto, from the front ; c, d, portions of 

 left palpus in different positions. 



Proc. Zool. Sue— 1872, No. XLIX. 



