106 FLIES FOR SEPTEMBER. 



No. 41. BLUE BOTTLE. 



Order, Dipt era. 

 Family, Muscidce. 

 Genus, Musca. 

 Species, Vomitoria. 



No. 42. WHIRLING BLUE DUN. 

 Order, Neuroptera. 

 Family, Ephemeridce. 

 Genus, B'detis. 



No. 43. LITTLE PALE BLUE DUN, 



Order, Neuroptera. 

 Family, Ephemeridce. 

 Genus, Cloeon. 



No. 44. WILLOW FLY. 



Order, Neuroptera. 

 Family, Perlidce. 

 Genus, Nemoura. 

 Species, Nebulosa. 



