PLATE XLVI. 



NoTHRUs sYLVESTRis. (Page 490.) 

 Length about '66 mm. 



Fig. 1. Adult. X 75. 



2. Nymph. 



3. Adult; {d) maxilla; {e) palpus. X 260. 



4. Adult; {s) pseudo-stigma; (o) pseudo-stigmatic 



organ, x 260. 



5. Adult; leg of the first pair. X 100. 



6. Adult; leg of the third pair. X 100. 



7. Adult; leg of the fourth pair. X 100. 



NoTHRus PALusTRis. (Page 494.) 

 Length about 1*05 mm. 



8. Adult. X 50. 



9. Nymph. 



10. Adult; left mandible from below and within 



(right side). X 180. 



11. Adult; pseudo-stigma and pseudo-stigmatic organ. 



X 180. 



12. Adult ; leg of the first pair. X 80. 



13. Adult; leg of the third pair. X 80. 



