﻿Explanation of Plates 



1. Portion of grass-stalk showing hatched eggs and egg-caps of A', rufiis- 

 culus, much enlarged. 



2. Portion of raspberry stalk dissected showing eggs of A', roseipennis, much 

 enlarged. 



3. Portion of grass-stalk with protruding white hoods of eggs of N. 

 roseipennis, much enlarged. 



4. Portion of raspberry stalk showing protruding hoods of eggs of N. 

 roseipennis. 



■5. Dissected stalk of grass showing eggs of X. rufusculus, greatly enlarged. 



6. Grass-stalk showing hatched eggs and egg-caps of N. rufusculus, much 

 enlarged. 



7. Distal end of egg of A', rufusculus (hatched), showing egg-cap and 

 attachment, much enlarged. 



5. Egg of i\". rufusculus, much enlarged. 



9. Dissected grass-stalk showing eggs of N. roseipennis, greatly enlarged. 



10. Grass-stalk showing hatched eggs and hoods of N. roseipennis. 



11. Distal end of hatched egg of ^'. roseipennis showing hood and attach- 

 ment, much enlarged. 



12. Egg of N. roseipennis, much enlarged. 



13. Nymph of JN". roseipennis, first instar, magnified 35 dia. Body of nymph 

 appears shrunken away from body-wall in some places, probably due to the 

 effect of the preserpative. This i>henamenon has occurred in a number of 

 cases. 



14. Lateral view of nymph of Isl. roseipennis, 1st instar. Magnified 35 dia. 



15. Nymph of ISl. roseipennis, beginning 2nd instar. Magnified 15 dia. 



16. Nymph, about 4th instar in process of moulting. Magnified about 13 

 dia. 



17. Nymph of 2\". roseipennis beginning Srd instar. Magnified 15 dia. 

 IS. Nymph of A', roseipennis beginning 4th instar. Magnified 14 dia. 



19. Nymph of N. roseipennis end 4th instar. Magnified 14 dia. 



20. Nymph of N. roseipennis Ijeginning 5th instar. Magnified 12 dia. 



21. N^Tnph of X. roseipennis end of 5th instar. Magnified 12 dia. 



22. Mature nabid, JN''. roseipennis. ]\Iagnified 11 dia. 



23. Nymph of JV. rufusciilus, 1st instar. Body somewhat distorted by 

 alcohol. Magnified 26 dia. 



24. Nymph of N. rufusculus, end 2nd instar. ^Magnified 16 dia. 



25. Nymph of N. rufusculus, end 3rd instar. Magnified 16 dia. 



26. Nymph of N. rufvsculus, end 4th instar. Magnified 17 dia. 



27. Nymph of N. rufusculus, end 5th instar. JNIagnified 17 dia. 



28. Mature nabid, Y. rufusciilus. Magnified 13 dia. 



29. Ventral of last segment of female abdomen of N. roseipennis showing 

 ovipositor in norm^al position, also parts dissected. The inner and middle 

 pairs of structures are here sho%\Ti in approximation. Magnified 13 dia. 



30. Ventral view of last segment of female abdomen of V. rufusculus show- 

 ing ovipositor in normal position, also all parts of structure dissected. Mag- 

 nified 15 dia. 



31. Lateral view of posterior of male alxiomen of V. roseipennis. showing 

 olaspers. Magnified 11 dia. 



32. Clasper of 2\". roseipennis, from right side. Magnified 56 dia. 



33. Lateral view of posterior of male abdomen of V. rufusculus, showing 

 claspers. Magnified 11 dia. 



34. Clasper of V. rufusculus. from right side. Magnified 61 dia. 



