XLIX 113. Ephydridæ: nearly 100 species; life-history of few known.
L 114, 131. Drosophilidæ: larvæ leaf-miners. The pale yellow "fruit-fly," Drosophila fenestrarum, loves the cider-press and fermenting fruit.
LI 111. Chloropidæ: numerous family; in the genus Chlorops are many beautiful little flies.
LII 129. Michilidæ: 2 native species.
LIII 127, 138. Agromyzidæ: some are leaf-miners.
LIV 68, 125. Phytomyzidæ: leaf-miners.
LV 126. Astiadæ: 2 species; life-history unknown.
LVI 106. Borboridæ: first tarsal joint (C, 1, 5) of hind leg conspicuously thick and short; small species of the genera Borborus and Spherocera often abound in the dung-pits of mews. The larvæ of some have been found on rotting potatoes and on confervæ.
LVII 140. Phoridæ: a numerous family of small flies; 6 genera.
LVIII 144. Hippoboscidæ: the females of some shed their wings, and all live a lice-like life attached to animals.