), I 11

processes classified, I 30

Geological history of Pennsylvania, I 183

Geomorphology, I 27

Gilbert, G. K.

*Classification of topographic forms, I 88

*North winds of California, I 88

Goode, R. U.

A trip to Panama and Darien, I 271, 301

Great Britain, Ordnance Survey, its history and object, II 243, 292