EXPLANATION OF PLATE IX. 



Isotoma leonina Pack. 



Fig. 



1. Dorsal view of the head 



2. Right eye patch and post-antenna! organ 



3. End of furcula 



4. Claw 



Isotoma viridis Bourl. 



5. Left eye patch 



6. Tenaculum 



7. Antenna 



Isotoma palustris Miiller. 



8. Antenna 



9. Right eye patch 



10. End of furcula 

 Isotoma caeruleatra n. sp. 



1 1. Antenna 



12. Foot 



13. End of furcula 



14. Right eye patch 



Isotoma catena n. sp. 



15. Foot. 



i6a. End of furcula, lateral view 

 i6b. End of furcula, ventral view 



Isotoma minima n. sp. 



17. Furcula, lateral view 



1 8. Mucrones, lateral view 



19. Antenna 



Isotoma sensibilis Tullb. 



20. Mucrones 



