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FIRST PRINCIPLES. 



[THE UNKNOWABLE : Religion and Science ; Ultimate Religious Ideas ; Ultimate 

 Scientific Ideas ; Relativity of All Knowledge ; Reconciliation. THE KNOW ABLE : 

 Philosophy defined ; Data of Philosophy ; Space, Time, Matter, Motion, and Force ; 

 Indestructibility of Matter ; Continuity of Motion ; Persistence of Force ; Persistence 

 of Relations among Forces ; Transformation and Equivalence of Forces ; Direction of 

 Motion ; Rhythm of Motion ; Evolution and Dissolution ; Simple and Compound 

 Evolution ; Law of Evolution ; Interpretation of Evolution ; Instability of the Homo- 

 geneous ; Multiplication of Effects ; Segregation ; Equilibration ; Dissolution.] 



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CONTINUATION OF HERBERT SPENCER'S 

 DESCRIPTIVE SOCIOLOGY. 



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No. IX. CHINESE. Compiled and abstracted 

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No. X. GREEKS ; Hellenic Era. Bv J. P. , 

 MAHAFFY, D.D., C.V.O., Provost of Trinity i IN PREPARATION. 



College, Dublin, and Professor W. A. GOLI- I ANCIENT EGYPTIANS. By Professor W M. 

 GHER, Litt.D., F.T.C.D. i FLINDERS PETRIE, D.C.L., F.R.S. 



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G REEKS f Hellenistic Era. By J P 



MAHAFFY, Provost, Trin. Coll.. Dublin 

 C.V.O., and Professor W. A. GOLIGHER, 

 Litt.D., F.T.C.D. 



ROMANS (to A.D. 18O). By Professor 

 W. A. GOLIGHER, Litt.D., F.T.C.D., and 

 E. II. ALTON, F.T.C.D. 



