Uexkull, J. Von  1864-1944 <br/><br/>
Theoretical biology / 
by J. Von Uexkull ; tranlsated [from the German] by Doris L. Mackinnon 
 - London :  Kegan Paul,  1926 
 - xvi, 362 p. ;  23 cm. 
 - International library of psychology, philosophy and scientific method .
<br/><br/> "Translated by D.L. Mackinnon, D.Sc."  Translation of: Theoretische Biologie 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Philosophy