FROM A NOTE-BOOK OF 1837. 



TRANSCRIPT FROM FACSIMILE OF HANDWRITING ON OPPOSITE PAGE. 



led to comprehend true affinities. My theory would give 

 zest to recent & Fossil Comparative Anatomy : it would 

 lead to study of instincts, heredity, & mind heredity, whole 

 metaphysics, it would lead to closest examination of hybrid- 

 ity & generation, causes of change in order to know what 

 we have come from & to what we tend, to what circum- 

 stances favour crossing & what prevents it, this and direct 

 examination of direct passages of structure in species, might 

 lead to laws of change, which would then be main object of 

 study, to guide our speculations. 



