10 Oribata 



Abd. round. L. 650 n 13. O. orbicularis p. 15 



Abd. pyriform. L. 650 |U 15. O. piriformis p. 16 



Dors, of Abd. bearing a series of long hairs 



near margin 9. 

 Dors, of Abd. hairless. L. 450 |ui . . . 17. O. rubens p. 17 



C. lam. truncated; Lam. hair set in middle 



of ant. truncated edge. L. 630 |u . 5. O. fuscipes p. 13 



C. lam. long and pointed ; Lam. hair springing 



from a shoulder near base. L. 540 \i 18. O. setosa p. 17 



Dors, of Abd. hairless 11. 

 Dors, of Abd. bearing hairs -18. 



f Ptm. strap-like; aquatic. L. 320 \n , . 19. O. sphagni p. 17 



10 



I 



Ptm. normal; terrestrial 12. 



J Psstg. org. clavate 13. 



| Psstg. org. setiform or rod- like 17. 



{Lam. hair and Intlam. hair setiform 14. 

 Lam. hair and Intlam. hair pectinated. 

 L. 500 |U 3. O. depauperata . . . . p. 13 



{Femur of leg 2 greatly enlarged at distal 

 end. L. 500 n 14. O. pallidula p. 16 

 Femur of leg 2 normal 15. 



{Ptm. very small, confined to quite the ant. 

 part of Abd., Psstg. org. pointed 

 anteriorly. L. 1 mm 11. O. microptera p. 15 

 Ptm. normal; Psstg. org. rounded anteriorly 16. 

 {Host, slender; C. lam. long; legs long; no 

 light patch on Dors, of Abd. L. 480 n 8. O. gracilis p. 14 

 Rost. obtuse; C. lam. short; legs moderate; 

 light patches on Dors, of Abd. L.SOOju. 9. O. lapidaria p. 14 



{Abd. globular; Psstg. org. rod -like. 

 L. 1.05mm 7. O. globula p. 14 

 Abd. long, truncated posteriorly. Psstg. org. 

 setiform. L. 1.13 mm 2. O. clypeata p. 12 



io / Hairs on Dors, of Abd. very long 19. 

 \ Hairs on Dors, of Abd. short and fine 20. 



Lam. nearly as long as Rost.; Femur 1, 2, 



with blades; leg 4 hardly passes post. 



end of Abd. L. 500 (a 12. O. mollicoma p. 15 



Lam. much shorter than Rost.; Femur 1, 2, 



without blades; whole Tarsus of leg 4 



passing post, end of Abd. L. 750 |n 4. O. edwardsi p. 13 



(Rost. hairs, Lam. hair and Intlam. hair 

 serrated. L. 700 |n 1. O. antarctica p. 12 



1 Rost. hairs, Lam. hair and Intlam. hair 



setiform. L. 600 |U 10. O. lucens p. 15 



JLam. large, horizontal, attached by post, 

 edge only, the 2 near together, only a 

 ~JL . narrow cleft between. (Sect. Ib 1. Gen. 



Oribatella, Banks) 22. 

 v Lam. normal on absent (Sect. Ib 2) 29. 



iPtm. truncated anteriorly, not projecting 

 forward beyond ant. margin of Abd. 23. 

 Ptm. projecting forward nearly to tip of 

 Rost. 28. 



