36 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 80 



1921. Geological explorations in the Canadian Rockies, in Explorations and 

 field-work of the Smithsonian Institution in 1920. Smithsonian Misc. 

 Coll., Vol. 72, No. 6, 1921, pp. i-io, figs. 1-12. 



1921. Notes on structure of Neolenus. Smithsonian Misc. Coll., Vol. 67, No. 7. 



Cambrian Geology and Paleont., IV, No. 7, Dec. 20, 1921, pp. 365-456, 

 pis. 91-105, text figs. 11-23. 



1922. Report of the Secretary of the Smithsonian Institution, Charles D. 



Walcott, for the year ending June 30, 1920. Ann. Rep. Smithsonian 

 Inst. 1920, 1922, pp. 1-36, with appendices. 

 1922. Report of the Secretary of the Smithsonian Institution, Charles D. 

 Walcott, for the year ending June 30, 1921. Ann. Rep. Smithsonian 

 Inst. 1921, 1922, pp. 1-24, with appendices. 



1922. Geological explorations in the Canadian Rockies, in Explorations and 



field-work of the Smithsonian Institution in 1921. Smithsonian Misc. 

 Coll., Vol. 72, No. 15, 1922, pp.' 1-22, figs. 1-24. 



1923. Nomenclature of some Post Cambrian and Cambrian Cordilleran forma- 



tions (2). Smithsonian Misc. Coll., Vol. 67, No. 8. Cambrian Geology 

 and Paleont., IV, No. 8, March 5, 1923, pp. 457-476, text fig. 24. 



1923. Geological explorations in the Canadian Rockies, in Explorations and 



field-work of the Smithsonian Institution in 1922. Smithsonian Misc. 

 Coll., Vol. 74, No. 5, pp. 1-24, figs. 1-29. 



1924. Report of the Secretary of the Smithsonian Institution, Charles D. 



Walcott, for the year ending June 30, 1922. Ann. Rep. Smithsonian 



Inst. 1922, 1924, pp. 1-25, with appendices. 

 1924. Cambrian and Ozarkian Brachiopoda, Ozarkian Cephalopoda and Noto- 



straca. Smithsonian Misc. Coll., Vol. 67, No. 9, Cambrian Geology and 



Paleont., IV, No. 9, June 3, 1924, pp. 477-581, pis. 106-126. 

 1924. Geological formations of Beaverfoot-Brisco-Stanford Range, British 



Columbia, Canada. Smithsonian Misc. Coll., Vol. 75, No. i. Cambrian 



Geology and Paleont., V, No. i, June 28, 1924, pp. 1-51, pis. 1-8, text 



figs. I-II. 

 1924. Cambrian and Lower Ozarkian Trilobites. Smithsonian Misc. Coll., 



Vol. 75, No. 2. Cambrian Geology and Paleont., V, No. 2, July 19, 1924, 



pp. 53-60, pis. 9-14. 

 1924. Geological explorations in the Canadian Rockies, in Explorations and 



field-work of the Smithsonian Institution in 1923. Smithsonian Misc. 



Coll., Vol. 76, No. 10, 1924, pp. 1-8, figs. i-ii. 



1924. and C. E. Resser. Trilobites from the Ozarkian limestones of 



the Island of Novaya Zemlya, in Report of the scientific results of the 

 Norwegian expedition to Novaya Zemlya 1921, No. 24. Published by 

 the Soc. Arts and Sci. Kristiania, 1924, 14 pp., 2 pis. 



1925. Report of the Secretary of the Smithsonian Institution, Charles D. 



Walcott, for the year ending June 30, 1923. Ann. Rep. Smithsonian 



Inst. 1923, 1925, pp. 1-26, with appendices. 

 1925. Report of the Secretary of the Smithsonian Institution, Charles D. 



Walcott, for the year ending June 30, 1924. Ann. Rep. Smithsonian 



Inst. 1924, 1925, pp. 1-26, with appendices. 

 1925. Relations of the Smithsonian Institution to the National Government. 



Smithsonian Inst., Special pub., 1925, pp. 1-5. 

 1925. Science and Service. Science, Vol. LXI, No. 1566, Jan. 2, 1925, pp. 1-5. 



