A thorough and comprehensive treatment of all phases of tracks and trailcraft as needed by the nature student. Introductory sections touch lightly on the fossil tracks of earth's beginnings, the Indian and his tracking, scent trails, trails of migration and spawning. But the bulk of the text deals with anatomy of animal trails, from first principles learned in backward trails, to trails of field and forest, summer and winter. Different families and their trails, recognizable in the tracks; ways of the expert in tracking in far off Africa. Bird signs and tracks; amphibian and reptiles, crustacean, mollusk and insect tracks.