

PLATE VII 



1. Profile of Doryceragraminum 



2. Profile of Trigonometopus 



frontalis 



3. Profile of Platystoma semi- 



nationis 



4. Profile of Ceroxys crassi- 



pennis 



5. Head ofChilosiamaculata cf 



6. Fore-leg of Platychirus mani- 



catus, c? (5 should be 6). 



7. Fore-leg of Platychirus pel- 



tatus, cf 



8. Fore-leg of Platychirus scu- 



tatus, cf 



9. Fore-leg of Platychirus albi- 



manus, cf 



10. Fore-leg of Platychirus 



clypeatus, cf 



11. Platychirus, cf and ?, quad- 



rate spotting 



12. Melanostoma mellinum, ? 



triangular spotting 



13. Larva of Microdon 



14. Wing of Helomyza pallida 



15 & 16. Diagram of a fly's leg. 

 Vide C, I, on page 91. 



15. As viewed from behind 



16. As vie wed, horizontal section 



(through A-B) 

 (b.f.) base of femur 

 (/./.) tip 



(&./.) base of tibia 

 (/./.) tip 



(1) upper or outer side 



(2) under or inner 



(3) hinder 



(4) fore side 



(5) upper fore side 



(6) upper hind 



(7) under hind 



(8) under fore 



17 & 18. Base of wing, illustrat- 

 ing the difference in O, 6 1 

 respectively in 



17. Urophora 



1 8. Trypeta 



19. Profile of Drosophila 



20. Profile of Ceratomyza denti- 



cornis 



21. Profile of Tichomyza fusca 



22. Antennae of Notophila cin- 



erea; note the "thorn" on 

 second joint 



23. Antennae of Hydrellia gris- 

 eola 



24. Antennas of Tichomyza fusca 



25. Profile of Hydrellia griseola 



26. Ochthera mantis 



27. Wing of Borborus equinus 



, Limosina sylvatica 



28. 

 29. 



30. 



Section of a collector's net, 

 showing 



(a) the small end of a large 

 net; 



(b) a detachable muslin 

 bag; 



(c) elastic closing the bag ; 

 (fi) transparent celluloid 



end 



A small bag, closed and de- 

 tached 



31. Box for carrying bags 



106 



