112 NUMBERED LIST OF FAMILIES 



Nos. Refs. FAMILIES Notes 



XL VII ... 120. PIOPHILIOE: the "cheese-hopper" maggots are 

 larvae of Piophila casei ; seven other species. 



XLVIII ... 132. GEOMYZID^:: 12 species. 1 , 



XLIX ... 113. EPHYDRID^E: nearly lOO species; life-history of few 

 known. 



L ... 114, 131. DROSOPHILID,E : larvas leaf-miners. The pale 

 yellow "fruit-fly,'' Drosophila fenestrarnw, loves the cider- 

 press and fermenting fruit. 



LI ... ill. CHLOROPIIXE: numerous family; in the genus Chhrops 

 are many beautiful little flies. 



LII ... 129. MlCHlLHXE: 2 native species. 



LIII ... 127, 138. AGROMYZID^E: some are leaf-miners. 



LIV ... 68, 125. PHYTOMYZID^E : leaf-miners. 



LV ... 126. ASTIAD.E: 2 species; life-history unknown. 



LVI ... 106. BORBORID^E: first tarsal joint (C,i,5) of hind leg con- 

 spicuously thick and short; small species of the genera 

 Borbonts and Sphcroccra often abound in the dung-pits of 

 mews. The larvae of some have been found on rotting 

 potatoes and on confervse. 



LVII ... 140. PHORlDjE: a numerous family of small flies; 6genera. 



LVIII ... 144. HlPPOBOSCID^: : the females of some shed their 

 wings, and all live a lice-like life attached to animals. 



LIX ... 143. BRAULID^;: eyeless and with strangely atrophied body 



appendages ; found in bee-hives. 

 LX ... 145. NYCTERIBID^E : wingless parasites on bats ; with small 



heads held in a curious posture. 



