663 



United States. Geological Survey. Ann. rep., 42; also 

 many bull., mineral resources, and water-supply papers. 



Geologic folios 211-213, and many sheets. 



Prof, papers 121, 123, 128e, 129b-i. 



Library of Congress. Rep., 1920-21. Wash. 



National Museum. Ann. rep., 1921-22. Wash. 



Bull. 82, V. 1, pt. 2; 100, v. 1, pt. 9, v. 4; 



112-119. 



Contrib. from Nat. Herbarium, v. 20, pt. 



10-12; 22, pt. 4-6; 24, pt, 1. Wash. 1921-22. 



Proc, V. 57-58. Wash. 1921. 



Wagner Free Institute of Science. An., 1921-22. 



Trans., v. 9, pt. 2. Philad. 1921. 



Washington University, St. Louis. Humanistic ser., 



V. 5-7; 8, no. 1. 1917-20. 



Scientific ser., v. 3, pt. 1, no. 2; 4, pt. 2, no. 1; 



8, pt. 2; 9, pt. 1-2. St. Louis, Mo. 1916-21. 



URUGUAY. 



Mused Nacional. An., s. 2, v. 1, pt. 4. Montevideo. 



