Worh o/ Herbert Spencer pubhsficd by D. Appltioti dt (Jo 

 A NEW SYSTEM OF PUILOSOrilY. 



PliJNClPLES OF BIOLOGY. 



T'ifl work is now in course of publication in quarterly numbors (fi-om *0 

 lo 100 pages each), by subscription, at $2 per annum. It is to form two vol- 

 ontca, of \^hich the first is nearly completed, four numbers having been 

 .fisued. While it comprises a statement of those general principles and lawi 

 ftf life to which science has attained, it is stamped with a marked originaUty» 

 both In tho views propounded and in the method of treating the subject. Il 

 will be a standard and Invaluable work. Some Idea of the discussion may 

 be formed by glancing over a few of the first chapter headings. 



Part Fihst. — Data of Biology. 



I. Organic Matter; II. The actions of Forces on Organic Matter; III 

 The Reactions of Organic Matter on Forces; IV. Proximate DcGnition of 

 Life; V. The Correflpondcnce between Life and its Circumstances; VI. The 

 Degree of Life Varies with the Degree of Correspondence ; VII Scope of 

 Biology. 



Part Second. — Inddctions or Bioi.oai. 



L Growth; II. Development; III. Function; IV. Waste and Hcpaii , 

 V. Adaptation; VL Individuality; VIL Gcnesife; VIII. IIere<lity ; IX. 

 Variation; X. Genesis, Heredity, and Variation; XI. Classificalioii ; XIL 

 Distribution, 



• 



Mr Spencer is equally remarkable for his search after first prinnpW; 

 for hi:* acute attempts to decompose mental phenomena into their primary 

 Oementa ; and for his broad generalizations of mental activity, mind in cotv 

 necti.ju with instinct, and all the analogies presented by life in it« unlTcrMl 

 iilK^'^ — Medico- Chirtirfficat Review. 



