CONTEXTS OF VOLUME 23 OF THE TRANSACTIONS 



PAGES PRICE 



1-63 Chaucerian Papers-I, by Professor Albert S. 



Cook (November, 1919) $0.80 



65-108 Spenser's English Rivers, by Charles G. Osgood 



(January, 1920) ^ .60 



109-158 New Species of Devonian Fossils from Western 

 Tennessee, by Carl O. Dunbar (February, 

 1920) 85 



159-210 Early History of American Auctions — A Chapter 

 in Commercial History, by R. B. Westerfield 

 (May, 1920) 65 



211-241 Russia's Contribution to Science, by Alexander 



Petrunkevitch (June, 1920) 40 



243-382 The Rhetorica of Philodemus, by Harry M. 



Hubbell (September, 1920) 1.20 



383-416 — The Principle of General Relativity and Ein- 

 stein's Theory of Gravitation, by Leigh Page 

 (September, 1920) 65 



CONTENTS OF VOLUME 24 OF THE TRANSACTIONS 



PAGES 



1-243 Collectanea Hispanica, by Charles Upson Clark 

 (September 1920) 



Distribution limited. 



CONTENTS OF VOLUME 25 OF THE TRANSACTIONS 



PAGES PRICE 



1-92 Anthropological Studies on the Quichua and 



Machiganga Indians, by H. B. Ferris (April, 1921) $3.50 



93-209 The Genus Riccardia in Chile, by Alexander W. 



Evans (December, 1921 ) 2.00 



211-279 Tertiary Spiders and Opilionids of North 

 America, by Alexander Petrunkevitch (March, 

 T922) $1.00 



