EXPLANATION OF PLATE V. 



Sminthurus caecus Tullb. 



Fig. 



1. Anal organ and its papilla 



2. Furcula, lateral view 

 3a. Mucrones, ventral view 

 3b. mucrones, lateral view 



4. Foot, I St pair 



Sminthurus aureus Lubb. 



5. foot, 3d pair 



6. Furcula, ventral view 

 7a. Mucrones, oblique view 

 7b. Mucrones, lateral view 



8. Antenna. 



9. Left eye patch 



Sminthurus quadrimaculatus Ryd. 



loa. Anal organ, seen flat 



lob. Anal organ, seen laterally. 



Sminthurus minutus MacG. 



1 1 a. Anal organ seen laterally 



lib. Anal organ median section through papilla 



12. Left eye patch 



13. Foot, ist pair 



14. Foot, 3d pair 



15. Mucrones 



Sminthurus niger Lubb. 



16. Left eye patch 



17. Mucrones, lateral view 



18. Antenna 



