PROFESSOR LLOYD MORGAN'S WORKS. 



Crown 8vo. 8s. 6c?. 

 ANIMAL BIOLOGY. 



An Elementary Text-Book. 



"This excellent text-book. . . . Any student who has read and carried «ut 

 intelligently the practical work suggested in its pages will have thereby laid a 

 very solid and sure foundation for the wider and deeper study of human anatomy 

 and physiology." — Saturday Revievo. 



" A really valuable text-book of animal biology, which we would wish to place 

 in the hands of all students." — Nature. 



" Easily yet carefully written, without being dififuse." — Spectator. 

 " A thoroughly practical book." — Knowledge. 



" Written with clearness and an excellent arrangement of material." — 

 Scotsman. 



LONDON: LONGMANS, GEEEN, & CO. 



Large Crown 8vo. Is. Qd. 

 THE SPRINGS OP CONDUCT. 



An Essay in Evolution. 



" This is a thoughtful and extremely well written little book on psychology 

 and ethics, regarded from the standpoint of evolution. . . . The material is s« 

 well arranged, and the views so lucidly expressed, that the work constitutes a 

 most interesting epitome of modern thought upon the subjects of which it treats." 

 — Dr. G. J. Romanes, F.R.S., in Nature. 



** An excellent and most interesting exposition of the growing doctrine of the 

 evolution of conduct." — Knowledge. 



" Solid and scholarly." — Saturday Review. 



" This book, as a whole, presents a singularly able exposition of the evolu- 

 tionary theory and of its application in the explanation of the phenomena of our 

 mental, moral, and social life. Professor Morgan thinks clearly and writes 

 forcibly. The illustrations he gives of his views and reasonings* are apt and 

 striking." — Scotsman. 



LONDON : KEGAN PAUL, TEENCH, TEUBNEE & CO. 



2 L 



