Explanation of Plate II. 



Illustrating Mr. F. M. van der Wulp's paper on " Asilidx from 

 Aden and its neighbourhood." 



Fig. 1. Saropogon incisuratus^ n. sp. Wing. 



2. Saropogon pulverulentus, n. sp. 



3. Leptogaster nitidus, Wied. Wing. 



4. Rhadinus vngulhms, Low. Head. 



5. „ „ Foreleg. 



6. „ „ Wing. 



7. Psilinus cinerascens, n. sp. 



8. „ „ Head, front view. 



9. „ „ „ in profile. 



10. Sisyrnodytes brevis, Macq. Wing. 



11. Acnephalum futile, n. sp.. „ 



12. Holcoceplmlaimnctulata, n. sp. Head, front view. 



13. „ ,, » in profile. 



14. „ „ Wing. 



