CHAPTER VIII. 



' SELF-EDUCATION : THE ACQUISITION OF KNOWLEDGE BY 

 INVESTIGATION. 



INVESTIGATION on the part of the lower animals, usually in 

 order to the acquisition, extension, or improvement of know- 

 ledge, includes the following features of interest in their 

 mental character the following aptitudes or conditions : 



1. The faculty of observation: its nicety, minuteness, 

 accuracy, acuteness, delicacy, closeness or keenness, in- 

 cluding the comparison of resemblances and differences. 



2. The power of attention, and of concentration and con- 

 tinuance thereof. 



3. The practice of examination or inspection of unfamiliar 

 objects, including 



a. Reconnoitring and surveying. 

 &. Search and exploration, 

 c. Deliberate study. 



4. Curiosity or inquisitiveness ; associated with a 



5. Love of knowledge, especially of such a kind as will 

 bear on the physical requirements, comforts, or safety of the 

 animal itself. 



6. The application of experimental tests, with 



7. Repetition and variation of effort therein. 



8. The power of memory. 



9. The influence of novelty of scene, sight, sound, or other 

 external conditions. 



10. The drawing of inferences or conclusions from the 

 results of observation and experiment. 



11. Due reflection and reasoning on the bearings of such 

 results; and 



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