By S. HERBERT, M.D. (Vienna), M.R.C.S. (Eng. ), 
L.R.C.P. (Lond. ) 
The First Principles of Heredity 
Cloth, 199 pp., Lll., 8vo, $2.00 net 
The purpose of this book is to supply in a simple and yet scientific man- 
ner all that may be desirable for the average student to know about 
Heredity and related questions, without at the same time assuming any 
previous knowledge of the subject on the reader’s part. 
The First Principles of Evolution 
By S. HERBERT 
Cloth, 8vo, 346 pp. containing go illustrations and tables, $1.60 net 
Though there are hosts of books dealing with Evolution, they are either 
too compendious and specialized, or, if intended for the average reader, 
too limited in their treatment of the subject. In a simple, yet scientific, 
manner, the author here presents the problem of Evolution comprehen- 
sively in all its aspects. 
CONTENTS 
IntTRODucTION — Evolution in General. Palzontology. 
Section I — Inorganic Evolution. Geographlcal Distribution 
The Evolution of Matter. Part II — Theories of Evolution. 
Section II — Organic Evolution. Section III — Superorganic Evolution. 
Part I — The Facts of Evolution. Social Evolution. 
Morphology. ConcLusion — The Formula of Evolution. 
Embryology. The Philosophy of Change. 
Classification. 
THE MACMILLAN COMPANY 
Publishers 64-66 Fifth Avenue New York 
