The influence of man on animal life in Scotland : study in faunal evolution / by James Ritchie.

Cambridge : University Press, 1920.

xvi, 550 pages : frontispiece, illustrations, maps, diagrams ; 25 cm

Material ... was presented in lecture form ... in Aberdeen in December, 1917 as a course under the Thomson lectureship in natural science in the United free church college.--Pref.