EXPLANATION OF PLATE II. 



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Sminthurus fuscus (L.). 



Fig. 



i. Furcula, lateral view 

 2a. Genital papilla, lateral view 

 2b. Genital papilla, ventral view 

 33. Tenaculum, lateral view 

 3b. Tenaculum, seen from behind 

 4. Mucrones 



53. Anal organ, seen from above 

 5b. Anal organ seen laterally 



6. Left eye patch. 



7. Foot, ist pair 



8. Antenna of 3 young individual 



9. Antenna of a mature individual 



Sminthurus minnesotensis n. sp. 



10. Antenna 



11. A dorsal bristle 



12. Mucrones 



13. Right eye patch 



14. Foot, 3d pair 



15. Foot, 2nd pair 



16. Vertex of head, oblique lateral view 



