Collembola and Thysanura of the Edinhurgh District. 265 



Fig. 19. Sminthurus qicad^'ilineattcs, Tallh. Mucro. 



Fig. 20. Smiiithurus igniceps, Reut. ; x 30. Natural length '9 mm. 



Fig. 21. ,, ,, ,, Antenna ;x 90. 



Fig. 22. ,, ,, ,, Foot (3rd pair). 



Fig. 23. ,, ,, ,, Mucro. 



Plate VII. 



Fig. 1. Sminthurus violaceus, Reut. Antenna ; x 100. 



Fig. 2. ,, „ „ Foot (1st pair) ; X 200. 



Fig. 3. ,, ,, ,, Foot (3rd pair) ; x 200. 



Fig. 4. ,, ,, ,, Extremity of dens with mucro ; x 200. 



Fig. 5. Sminthurus malmg^'enii, TuUb., var. elegantulus, Reut. Antenna. 



Fig. 6. ,, ,, ,, ,, ,, Foot (1st pair). 



Fig. 7. ,, ,, ,, „ ,, Foot (3rd pair). 



Fig. 8. „ „ ,, ,, ,, Mucro. 



Fig. 9. Sminthurus coecus,ll\A\h.,vair:,atteniiatus,rioy. Head and antenna; x 60. 



Fig. 10. „ ,, ,, ,, Foot (1st pair) ; X 180. 



Fig. 11. „ „ „ ,, Foot (2nd pair). 



Fig. 12. „ ,, ,, ,, Foot (3rd pair). 



Fig. 13. „ ,, ,, ,, Mucro; x 180. 



Fig. 14. Papirius ornatus, Lubb. Mucro. 



Fig. 15. ,, ,, ,, Foot (3rd pair). 



Fig. 16. Tomocerus niger {Bowxl.). Foot. 



Fig. 17. Isotoma viridis, Bourl. Mucro. 



Fig. 18. Isotoma palustris (Miill.), var. maculata, Schaflf. ; x 15. Natural 



length 2*5 mm. 

 Fig. 19. Isoto7na palustris {Mull.), var. maculata, Schaff. Mucro. 

 Fig. 20. Isotoma maritima, Tullb. Head ; x 60. 

 Fig. 21. ,, „ „ Foot. 



Fig. 22. ,, ,, „ Mucro. 



Fig. 23. Isotoma grisescens,^ch:i,&. Left ocelli and post-antennal organ ; x 180. 

 Fig. 24. ,, „ ,, Foot (3rd pair). 



Fig. 25. ,, ,, ,, Mucro. 



Fig. 26. Isotoma sensiMlis,T\x)lh. Foot (3rd pair). 

 Fig. 27. ,, ,, ,, Mucro. 



Plate VIII. 



Fig. 1. Isotoma cinerea (J^ic). Foot (1st pair). 



Fig, 2. ,, ,, ,, Mucro. 



Fig. 3. Isotoma fimetaria (L.), T\i\Vo. Foot. 



Fig. 4. ,, „ „ Mucro. 



Fig. 5. Isotoma spitzbergenensis, Lubb. ; x 29. Musselburgh ; length 

 1-75-2 mm. 



Fig. 6. Isotoma spitzbergenensis, Lubb. Head showing ocelli and post- 

 antennal organ ; x 60. 



