EXPLANATION OF PLATE CLXXVH; 



MONOPHLEBUS FURCATUS. 



Fig. I. Adult male, dorsal view, nat. size. 



2. „ „ ventral view, x 6. 



3. Tarsus of anterior limb, x 80. 



4. Wing, X 7. 



5. One of the halteres, x 14. 



6. Distal extremity of halter, x 130. 



7. Three basal joints of antenna, x 30. 



8. Head, dorsal view, x 36. 



9. Part of eye, showing facets, x 130. 



10, Pores from margin of abdomen, x 450. 



