126 THE DOCTRINE OF DESCENT. 



transmitted to the individuals by means of reproduc- 

 tion, which maintains the structure and the disposition 

 of the parts in the condition attained, so that the same 

 inclination pre-exists in the young individuals before 

 they put it in practice. This explanation, as Darwin 

 has shown, certainly does not suffice for all the facts of 

 instinct, yet it stands far above the modern " Philosophy 

 of the Unconscious " (Philosophic des Unbewussten), 

 which places the organisms by which the instincts are 

 effectuated, under the sway of an extraneous metaphy- 

 sical Being who governs it in subservience to design.* 56 



