Fly-catchers.
Forbes, Mr. David, on auriferous quartz veins.
Forest of the Atlantic slope.
"Forest region, limit of the". effect of cultivation on the.
Forest-vegetation.
Foxglove, fertilisation of.
Franklin on whirlwind in Maryland.
Fresh-water animals.
plants.
Frogs. on Pena Blanca.
Gage, Thomas, on the Indians' respect for their priest.