JOHN WESLEY POWELL I55 



the transition from barbarism to civilization is discussed under 

 the following headings : the change in arts ; the change in insti- 

 tutions ; the change in language ; the change in opinions ; 

 the change of mentations. 



Issued separately, without title or change of heading or 

 pagination. 



This lecture, slightly changed, was also delivered in the 

 National Museum at Washington May 5, 188S, as one of the 

 course of free lectures under the auspices of the Philosophical, 

 Biological, and Anthropological societies of Washington, and 

 a lengthy extract from the same, under the heading " The 

 course of human progress," appeared in Science for May 11, 

 188S, vol. II, pp. 220-233, New York, 1S88, 4°. 



102. Competition as a factor in human evolution. Annual ad- 



dress of the retiring president, Major J. W. Powell 

 [of the Anthropological Society of Washington]. 



In American Anthropologist for October, 1888, vol. i, pp. 

 297-323, Washington, 1S88, 8°. 



A lengthy extract appeared in Science for March 9, 1888, 

 vol. II, pp. 1 1 2-1 16, New York, 188S, 4°. 



Issued separately without title or change of heading or 

 pagination ; also with a cover bearing title, otherwise un- 

 changed. 



1890. 



103. Address by J. W. Powell, the retiring president of the 



Association. Evolution of music from dance to sym- 

 phony. 



In American Association for the Advancement of Science, 

 proceedings thirty-eighth meeting, held at Toronto, August, 

 1889, pp. 1-21, Salem, July, 1890, 8°. 



Read at Toronto by G. K. Gilbert, Major Powell being 

 detained in the West by official duties. 



Separates were issued (dated 1889) : cover and inner titles, 



PP- 3-23- 



104. Prehistoric man in America. 



In Forum for January, 1S90, vol. 8, pp. 489-503, New 

 York, 1890, 8°. 



105. Problems of American archaeology. 



In Forum for February, 1890, vol. 8, pp. 63S-652, New 

 York, 1S90, 8°. 



