4 SCIENCE AXD PHILOSOPHY. 



MIVART S WORKS. 



Contemporary Evolution. An Essay on some Recent Social Changes. By 

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Lassons from Nature, as Manife -.ted in Mind and Matter. By ST. 

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On the Genesis of Species. Hy ST. OKOIWE MIVAUT. Ph.D., F. it. S. Illus 

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Man and Apes. An Exposition of Structural Resemblances and Differences 

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DR. NICHOLSON S WORKS. 



Introduction to the Study of Biology. By II. AI.T.KYXE V ICIIOT.SON. M D. 

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The Ancient Life-History of the Earth. A Comprehensive Outline of 

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Text-Book of Zoolog-y, for Schools and Colleges. By II. ALLI.YXK NICHOLSON, 

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Manual of Zoology, for the Use of Students, with a General Introduction to 

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Text-Book of Geolog-v, for Schools and Colleges. By II. ALLEYNE NICHOL 

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HERBERT SPENCER S SYNTHETIC PHILOSOPHY. 



CONTAIN IXC, ; 



1. First Principles. 12mo. Cloth. $2.&amp;lt;&amp;gt;o. 



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2. Principles of Biolog-y. 2 vols.. I2mo. (. loth, $4.00. 



Vol I. Vol. H. 



Pirr I. The Data of Bioloiry. Part IV. Morphological Development. 

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III. The Evolution of Life. VI. Laws of Multiplication. 



8. Principles of Psycholog-y. 2 vols, 12rao. Cloth. $4.(K). 

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Part I. Data of Psychology. Part VI. Special Analvsis. 

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III. C.eneral Synthesis. A lII. Corol!aiiL-s. 



IV. Special Synthesis. 

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Part I. The Data of Sociolocrv. Parts ty and V in 1 vol. Cloth. 2.CO 



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III. The Domestic Relations. &quot; Part- VII and VIII. Professional and 



Indus-rial Institutions. In prepara- 

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Pnrt IV. Ceremonial Institutions. $1.25. Vol. III. Jn preparation. 



5. Principles of Morality. I2mo. 



Vol. I. Part II. Jn preparation. 



Part I. The D.-ita of Ethics. $1.2.&quot;. 



Cheap edition, paper, 51 cents. Vol. II. In preparation. 



