290 Instinct. 



the globe, cry out against such a belief. As we 

 find provisions in our earth rising in kind for every 

 animal and man, as their wants rise to higher 

 planes, we accept these provisions as proof that He, 

 who has cared for myriads of beings below us, and 

 for us to this point, has not mocked us in regard 

 to this one great provision which our highest na- 

 ture demands. 



We have thus discussed, so far as we have been 

 able, the topics presented in our first lecture, as the 

 programme of our work, which we now bring to a 

 close. 



We considered first, the operations in inorganic 

 nature, foreshadowing Instinct. 



Here we found, in the structure of the earth, the 

 constitution of air and water, the change of seasons, 

 and chemical changes of the soil, the same kind of 

 provision for all organic beings, as are made by in- 

 stinctive knowledge and skill in the animal kingdom. 



Entering then the organic kingdom, the simula- 

 tion of instinct was more clearly shown in the 

 operations of all plant life and in the physiological 

 changes of the animal body. 



We next came to the simple instincts, that care 

 for the body, supplementing structure and function 

 of organs, so that the work begun within the body 

 may be carried on in a wdder sphere than structure 

 and function alone can reach. These simple forms 

 of Instinct were found to have the Appetites as 

 their impulses. 



But these were not broad enough for all the de< 



