78 



THE AMERICAN NATURALIST [Vol. LIII 



1916. First Principles, pp. 1-550. New York. Sixth edition of 1900. 



Although these books by Spencer are in many ways not 



these books may be read with great profit, particularly his dis- 



Very, F. W. 



1902. A Cosmic Cycle. Amer. Jour. ScL, (4), Vol. 13, pp. 47-58; 97- 

 114; 185-196. 



1913. What becomes of the Light of the Stars? Pop. Sci. Mo., Vol. 

 82, pp. 289-306. 



biological problem 



^uilibria, and his general concep- 

 footnote on page 488. Bancroft 

 to Spencer. Cf. Hoffding, Dar- 



EBRATA 



P. 471, line 23 from top, third word should read ' ' 1 

 P. 472, line 5, for "ontology," read "ontogeny." 

 P. 482, line 29, for "really," read "readily." 



