Lock, Robert Heath  1879-1915 <br/><br/>
Recent Progress in the study of variation , heredity and evaluation./ 
by Robert Health Rock, revised by Leonard Doncaster 
 - 4th. ed. 
 - London:  John Murray,  1916 
 - xxiv, 336p.:  illus.;  20cm 
<br/><br/> Highly recommended for digitizing 
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution<br/>Heredity<br/>Variation (Biology)