DeCoursey, P. — Studies in Animal Behavior.

1992 vii, 214 p., num. figs, 4to, cloth. Very good copy. On the first free end-paper is written in a very neat hand: Happy 80th Birthday Wishes to Professor Jürgen Aschoff, Honored Teacher and Mentor from Patricia Jackson DeCourseyâÇÖâÇÖ. Jürgen Walther Ludwig Aschoff (1913-1998), was a German physician, biologist and behavioral physiologist. Together with Erwin Bünning and Colin Pittendrigh, he is considered to be the co-founder of the field of chronobiology.