Myriapoda of West Africa. 39 



EXPLANATION OF THE PLATES. 



PLATE I. 



Pakadesmus thysanopus, sp. n. 



Fig. 1. Genitalium. The dotted line indicates the course of the duct. 



Fig. 2. Different view of another genitalium. 



Fig. 3. Leg — one of the first pair. 



Fig. 4. Leg — one of the fourth pair. 



Fig. 5. Leg — one of the ninth pair. 



Fig. 6. Gnathochilarium. 



Spikostkeptus takiabilis, sp. n. 



Fig. 7. Series of dentate lamellse. 

 Fig. 8. Series of labra. 

 Fig. 9. Gnathochilarium of male. 

 Fig. 10. Gnathochilarium of female. 



PLATE IL 



Spikosteeptus variabilis (conttnned). 

 Fig. 11. First pair of legs. 

 Fig. 12. Third pair of legs. 



Fig. 13. Genitalia, anterior view. Duct indicated as in fig. 1. 

 Fig. 14. Genitalia, posterior view. 



AlLOPORUS BIPtTNCTATUS, Sp. n. 



Fig. 15. Gnathochilarium of female. 

 Fig. 16. Dentate lamella. 



Spirosteeptds tripartitus, sp. n. 

 Fig. 17. Gnathochilarium of male. 



Fig. 18. Genitalia, posterior view. Duct indicated as in fig. 1. 

 Fig. 19. Genitalia, anterior view. 



