Explanation of Plate IX. 



Hg. I. Corizoneura yezoensis Shir. ( n. sp. ) 



2. do. 



3. Chrysops basalis Shir. ( n. sp. ) 



4. do. 



5. Chrysops nigricornis Mats. 



6. do. 



7. Haematopota formosana Shir. ( n. sp. ) 



8. do. 



9. Therioplectes hirticeps Loew. 



10. do. 



1 1 . Alylotus bivittatus Mats. 



12. do. 



13. Isshikia japonica Big. 



14. do. 



1 5. Tabanus bicinctus Ric. 



16. do. 



