MIND. 117 



The science wliich investigates the structure of the shulls in 



the various animals, particularly iu relation to their specific 



character and intellectual power. 

 Dialectics (^(jr. duihhtlhosi, skilled in argument). — That branch 



of logic which teaches the rules and modes o? reasoning. 

 Economics. — The science of honsehohl affairs. 

 Epistemol'ogy (Gr. epistcme, knowledge, and logos'). — The 



theory or science of the method or grounds of knowledge. 

 Eschatol'ogy (Gr. eschatos, last, and logos, a discourse). — The 



doctrine of the last or final things, as death, judgment, etc. 

 Eth'ics. — The science of morals. It may be divided into : 



1. Moral Philosophy, which treats of the relations, rights, 

 and duties by which men are under obligations toward 

 God, themselves, and their fellow-creatures. 



2. The Law of Nations, or those laws by which all nations 

 are bound in their mutual relations one to another. 



3. Public or Political Law, or the relation between the 

 different ranks in society. 



4. Civil Law, or those laws, rights, and duties by which 

 individuals in civil society are bound. 



Ethnol'ogy (Gr. ethnos, a people, and logos, a discourse). — The 



science of races; it investigates the mental and physical 



differences of mankind, and the organic laws upon which 



they depend. 

 Ethol'ogy (Gr. cfJios, custom, and logos). — The science of the 



formation of character. 

 Gramraatorogy. — The science or theory of the grammatic ; 



pkllosophical grammar. 

 Human'ics. — The doctrine or science of human nature, or of 



matters pertaining to humanity. 

 Hylozo'ism. — The doctrine tliat matter possesses life; that life 



and matter are inseparable. 

 Ide'alism. — The theory that makes everything to consist in 



ideas, and denies the exi.stence of material bodies. 

 Ideol'ogy (idea, and Gr. logos, a discourse). — The science of 



mind ; the doctrine of ideas, or of the operations of the 



understanding. 

 Immate'rialism. — The doctrine that there is no material sub- 

 stance, and that all being may be reduced to mind, and 



ideas in a mind. 

 Log'ic (Gr. logikos, belonging to the reason). — The science and 



art of reasoning. 



