The four ranges, by R. Peattie.--History of the mountain settlement, by Z. Humphrey.--The geologic story of the mountains, by R. Balk.--Mountain weathers and climates, by V. Conrad.--Adventures in mountain botany, by H.M. Raup.--The round of nature in the friendly mountains, by H. Potter and R. Peattie.--How to enjoy the mountains in summer, by L.B. Puffer.--Winter sports in the four ranges, by K. Toll