VOEKS OP HEEBEET SPEXCEE, 



PUBLISHED BT 



D. APPLETOlSr AND COMPAlSrY. 



SYSTEM OF PHILOSOPHY. 



I.— FIRST PRINCIPLES. 

 {New and Enlarged Edition.) 

 Part I. — The Unkxowable. 

 Part II.— Laws of the Knowable. 



559 pages. Price, $2.60 



IL— THE PRINCIPLES OF BIOLOGY.— VOL. L 

 Part I. — The Data of Biology. 

 Part II. — The Inductions of Biology. 

 Part III. — The Evolotion of Life. 



475 pages. Price, ...-.--- $2.50 



PRINCIPLES OF BIOLOGY.— VOL. IL 

 Part TV. — Morphological Deyelopment. 

 Part V. — Physiological Development. 

 Part VI. — Laws of Multiplication. 



565 pages. Price, ........ $2.50 



III.— THE PRINCIPLES OF PSYCHOLOGY. 



Part I. — The Data of Psychology. 144 pages. Price, - - $0.75 



Part II. — The Inductions of Psychology. 146 pages. Price, - $().'75 

 Part III. — General Synthesis. 100 pages. ) „ . 



Part IV.— Special Synthesis. 112 pages. |- i nee, - . $1.00 



MISCELLANEOUS. 



I.— ILLUSTRATIONS OF UNIVERSAL PROGRESS. 

 Thirteen Articles. 451 pages. Price, • - . - - $2.50 



n.— ESSAYS : 



Moral, Political, and .^Esthetic. 



Ten Essays. S86 pages. Price, ...... $2.50 



III.— SOCIAL STATICS: 

 Or the Conditions Essential to Human Happiness Specified, and the 

 First of them Developed. 

 623 pages. Price, - - - $2.50 



TV.— EDUCATION : 



Intellectual, Moral, and Physical. 



283 pages. Price, $1.25 



v.— CLASSIFICATION OF THE SCIENCES. 

 60 pages. Price, ... . ..... $0.25 



VL— SPONTANEOUS GENERATION, &c. 

 16 pages. Price, $0.25 



