444 



N. Carolina. Geological and Economic Survey. Bull. 2-3, 

 5, 7-8, 10-13,' 15, 17-25. 



Economic papers, 1-20, 23-25, 28-42. 



[Publication] v. 1, 3. 1905-12. 



Oberlin College. Laboratory bull., no. 20-21. 1918. 



Wilson bull., v. 30, no. 3-4; 31, no. 1-2. 1918. 



Ohio State University. Bull., v. 23, no. 22. 1919. 



Ohio journal of science, v. 18, no. 7-8; 19, no. 1-7. 



Shepard, Chas. U. Report on the geological survey of Con- 

 necticut. New Haven. 1837. 



Smithsonian Institution. Report, 1916. Wash. 1917. 



Bureau of American Ethnology. Bull. 61, 63. 



United States. Dept. of Agriculture. 18 bull, of dept. 

 Farmers' bull'., 915, 921, 932. Wash. 



journal of agricultural research, v. 10, no. 13; 



12, no. 12; 14, no. 5-12; 15-16; 17, no. 1-3. 



N. American fauna, no. 41-43. 1917-18. 



Library of Congress. Report, 1917. Wash. 



National Museum. Annual report, 1917-18. 



Bull. 97; 99; 100, v. 2, pt. 1-2, 4-5; 102, 



pt. 1, 4-7; 103, pp. 1-188, 525-612; 104; 105. 



Contributions from the National Herbarium, 



v. 20, pt. 4-5. 1918. 



Proc, v. 51-53. Wash. 1917-18. 



Virginia. Geological Survey. Bull. 1a-10, 12-15. 

 Wagner Free Institute of Science. Trans., v. 8. 



Annual announcement, 1917-19. Philad. 



Washington University, St. Louis. Studies, v. 4, pt. 1, 



no. 2; 5, no. 1-2; 6, no. 1. 1917-18. 



