Plate I. 



Fig. 1. Chordeuma obesum n. g., n. sp., adult male. Zeiss Comp. Oc. 4, Apochr. 16. 



— 2. Adult female, dorsal view. Zeiss Oc. 1, Obj. AA. 



— 3. The same, from left side. Zeiss Oc. 1, Obj. A A. 



— 4. Adult male, from left side. X as Fig. 1. 



— 5—7. Young, unripe female, from right, ventral and dorsal side. Z. Oc. 1, Obj. AA. 



— 8. Female, not fully ripe, from left side. X as Figs. 2 — 3, 6 — 7. 



— 9. Female, not ripe, front part of head; dorsal view. X as Fig. 8. 



— 10. Female, region of genital openings (the figure is somewhat misleading, in so far as the 



muscles, dil, and the deeper parts naturally ought to be represented as seen through the 

 cuticle). X Zeiss Comp. Oc. 6, Apochr. 8. 



— 11. Adult male, posterior part from ventral side. X Zeiss Comp. Oc. 6, Apochr. 16. 



— 12. Adult male, maxillæ, ventral aspect. 1 : basal, 2 : middle, 3 : terminal joint. Zei.ss Comp. 



Oc. 6, Apochr. 8. 



— 13. Adult female, posterior part, ventral view. A. spermatophore, spf, is fastened. into the 



vulvar slit, but its neck is broken. Zeiss Comp. Oc. 1, Apochr. 16. 



