884 ON SCORPIONS ETC. FEOM TEOPICAL WEST AFRICA. [XoV. 14, 



stopping short on a level with the 1st leg ; 

 frontal stripe involving lateral angles of cara- 

 pace and sides of abdomen occupied by a con- 

 tinuous black stripe, extending to the spinners : 

 spinners surrounded by ring of black below ... sex-macufatits Sim. 

 J'. Carapace yellow, not margined vrith black, spotted 

 with black : mandibles not black externally : 

 black abdominal .spots small jjaniherv/ius Poc. 



EXPLANATION OF THE PLATES. 

 Plate LV. 



Fig. ]. Araiimfhra hutleri (p. 860). X 4. 



2. Mlhrodes, mammosa (p. 8(il). x 3 (nearly). 



3. Araneus tyloscapiis (p. 851). x 2. 



3 a. ,, ,, vulva from below. 

 36. ,, ,, vulva from behind. 



4. Cyrtophora marffaritata {-p. 854). X 2. 



4 a. „ „ vulva. 



5. Ccerostris argosHctus (p. 855). X 2. 

 6 a. „ ,, vulva. 



5 b. „ ,, froat leg from below. 



6. Ifhalcea ferox (p. 8fi3), vulva. 



6 a. „ „ diagram of arrangement of eyes. 



7. Ctenus {Leptoctenux) agilior (p. 873), tibial spurs of palp (spurs shaded). 



Plate LVI. 



Fig. 8. Araneus hcematocnemis (p. 850). X 1;^. 

 8 a. „ ,, var. 



8 6. „ „ var. 



8 c. „ „ vulva, lateral view. 



9. Araneus rhinurus (p. 852). X 2. 



9 a. „ „ vulva, lateral view. 



10. Gasteracantha batesi (p. 858). x 2. 



11. Phonet/i/sa bidentata (p. 843), palpal organ. 



12 & 12 a. Sparassus be^iiiensis (p. 875), two forms of vulva. 



13. Sparassus rufilatus (p. 878), palpal oi-gan from below. 



13 a. „ ,, tibial spur of palp. 



14. Phrynarachne marmorata (p. 880). X 3. 



Plate LVII. 



Fig. 15. Cterosi)7« ^Mrr j^«r (p. 857), side view. xli. 

 15 a. „ „ vulva. 



16. ,, albescens (p. 856), vulva. 



17. Peuceiia longipes (p. 861), vulva. 



18. Thalasdus guincensis (p. 864), vulva. 



19. „ ybr??2os?<s (p.. 865), lateral view of carapace. 



20. „ auratus (p. 866), vulva. 



21. „ leonensis (p. 867), vulva. 



22. „ regalis (p. 86S), vulva. 



23. „ insignis (p. 868), vulva. 



23 a. „ „ lateral view of carapace. 



24. Bolomedes transfuga (p. 869), tibial spur of cJ. 



25. Ctenus scopulatus (p. 871 ), vulva. 



26. „ rivulatus (p. 872), tibial spur of (S . 



26 a. „ „ central portion of palpal organ. 



