Cakpenter — Two New Species of Collembola from Nyassaland. 545 



EXPLANATION OF PLATE LI. 



Figs. 1-10. — Achorutes eadioccator. 



Fig. 

 1. Side view, x 36. 

 . 2. Ocelli and post-antennal organ of left side, x 280. 



4. Post-antennal organ in profile, x 560. 



5. Terminal part of right feeler, dorsal view, x 280. 



6. Antennal organ on top of fourth segment of right feeler, ventral view. 



x 560. 



7. Third foot, side view, x 300. 



8. Sixth abdominal segment, with anal spine, side view. . x 110. 



9. Spring, dorsal view, x 110. 



10. Dens and mucro of spring, side view, x 300. 





Figs. 11—16. — Isotomina xii.-oculata. 



Fig. • 



11. Side view, x 48. 



12. Ocelli and post-antennal organ of left side, x 560. 



13. Fore foot, side view, x 560. 



14. Hind foot, side view, x 560. 



15. Spring, dorsal view, x 240- 



16. Tip of mucro and dens, side view, x 560. 



SOTKNT. EKOC. E.D.S., VOL. XV., NO. XXXIX. 4 E 



