DIPTERA. 263 



4. Hybos vitripennis, Meig. Abundant. 



1. Microphorus velutinus, Macq. Common. 



2. M. clavipes, Meig. Not common. 



3. M. flavipes, Meig. Not common. 



1. Cyrtoma spuria, Fall. Not common. 



1. CEdalia minuta, Fall. Not common. 



2. (E. stigmatella, Zett. Not common. 



1. Ocydromia glabricula, Fall. Common. 



2. O. scutulata, Meig. Not common. 



3. O. rufipes, Meig. Not common. 



4. O. nigripennis, Fab. Not common. 



Tachydromida. 



1. Drapetis nigrum, Meig. Not common. 



2. D. graminum, Fall. Of occasional occurrence 



amongst dead grass during the autumn. It 

 has remarkably short wings. 



1. Platypalpus nigritarsis, Fall. Very rare. Taken 



by my father in Wootton Wood, June 15th, 

 1838, and May 17th, 1870. 



2. P. luteus, Macq. Very rare. Taken by myself in 



Wootton Wood, May 29th, 1874. 



3. P. minutus, Meig. Common. 



4. P. stramineipes, Zett. Abundant. 



5. P. fasciatus, Meig. Not common. 



6. P. fascipes, Meig. Abundant. 



7. P. varius, Walk. Common. 



8. P calceatus, Meig. Common. 



9. P. flavipes, Fab. Common. 



