curious relation to the Portus Sigaeus and Phison, [218], [219].

Evolution, [362], [366], [367];

planetary, [363], [364];

advance in, dependent on environment, [145], [146].

Exploration, polar, [54].

Eye, relation to camera, [272-274].

Farms in Kansas and Dakota, [363].

Fastigium Aryn, [269];

origin of longitudes, [23], [74].

Fauna, [361];