1873.] REV. O. P. CAMBRIDGE ON SIBERIAN SPIDERS. 451 



EXPLANATION OF THE PLATES. 

 Plate XL. 



Fig. 1 . Lcthia taczanowskii <J , p. 435, 



a, upperside of Spider ; b, Spider in profile ; c, fore part of cephalo- 

 thorax and falees ; d, right palpus, from outer side in front ; e , radial 

 and cubital joints of ditto ; /, natural length of Spider. 



2. Linyphia karpinskii $ & 9 , p. 437. 



a, profile of Spider ; b, fore part of caput and falees ; c, right palpus 

 ( <J ). from outer side ; d, epigyne ( 9 ), from above ; e, ditto, in pro- 

 file ; /, natural length of Spider. 



3. Linyphia dybowskii $ & 9 , p. 438. 



a, left palpus ( <J ), from outer side ; b, abdomen ( ? ), in profile ; e, 

 epigyne ( $ ), in profile ; d, natural length of Spider. 



4. Linyphia unicornis $ & 9 , p. 438. 



a, profile of Spider ( ? ) ; b, profile of cephalothorax ( <J ) ; c, abdomen 

 ( 9 ), from above ; d, e, h, portion of left palpus ( <J ), in different 

 positions ; /, epigyne ( ? ), from above ; g, natural length of Spider. 



5. Linyphia taczanowskii <? & ? , p. 439. 



a, Spider, in profile ; b, ditto, upperside ; c, epigyne ( 9 )> from above ; 

 d, natural length of Spider. 



6. Erigoneflavesecns 9 , p. 440. 



«, Spider, in profile ; b, fore part of caput and falees ; <;, epigyne, from 

 above ; d, ditto, in profile ; e, natural length of Spider. 



7. Erigone prolata $ , p. 441 . 



a, Spider, in profile ; b, fore part of caput and falees ; c, left palpus, 

 from inner side in front ; d, ditto, from behind ; f, portion of ditto, 

 from behind ; e, right palpus, from outer side behind ; g, natural 

 length of Spider. 



Plate XLT. 



Fig. 8. Erigone sailers $ , p. 443. 



a, Spider, in profile ; b, fore part of caput and falees ; c, right palpus, 

 from behind and above ; d, left ditto, from the front ; e, natural 

 length of Spider. 



9. Erigone intercepta $ , p. 443. 



a, Spider, in profile ; b, fore part of caput and falees ; c, right palpus, 

 from inner side ; d, left ditto, from above and behind ; e, portion of 

 right palpus, from outer side. 



10. Erigone taczanowskii $ & 9 , p- 414. 



a, profile ( £ ) ; b, fore part of caput and falees ( $ ) ; c, left palpus ( <J ), 

 from outer side in front ; d, ditto, from inner side rather behind and 

 above ; e, epigyne ( 9 )> from above ; /, natural length, female ; g, 

 ditto, male. 



11. Erigone wages <J, p. 446. 



a, profile ; b, fore part of caput and falees ; c, right palpus, from the 

 front ; d, portion of left ditto, from outer side ; e, natural length of 

 Spider. 



12. Erigone karpinskii £ & 9 , p. 447. 



a, profile ( $ ) ; b, fore part of caput and falees ( J ) ; c, right palpus, 

 from the front ( $ ) ; d, left ditto, from outer side ; e, epigyne ( 9 )» 

 from above ; /, natural length. 



29* 



