NATIVE WOODY PLANTS OF THE UNITED STATES 



(486) ST. CLAIR-THOMPSON, C. W. 



1928. THE PROTECTION OF WOODLANDS BT NATURAL AS OPPOSED TO ARTI- 



FICIAL METHODS. 223 pp., illus. London. 



(487) ST. JOHN, H., and JONES, G. N. 



1928. AN ANNOTATED CATALOGUE OF THE VASCULAR PLANTS OF BBNTON 



COUNTY, WASHINGTON. Northwest Sci. 2: 73-93. 



(488) SAMPSON, A. W. 



1924. NATIVE AMERICAN FORAGE PLANTS. 435 pp., illus. New York. 



(489) -- and MALMSTEN, H. E. 



1935. STOCK-POISONING PLANTS OF CALIFORNIA. Calif. Agr. Expt. Sta. 



Bull. 593, 90 pp., illus. 



(490) SAMUELS, E. A. 



1883. OUR NORTHERN AND EASTERN BIRDS. 600 pp., iliUS. NeW York. 



(491) SARGENT, C. S. 



1916. THE NAME OF THE RED OAK. Rhodora 18 : 45-48. 



(492) 



1920. NOTES ON NORTH AMERICAN TREES, vi. Arnold Arboretum Jour. 1 : 



245-254. 

 (493)' 



1922. MANUAL OF THE TREES OF NORTH AMERICA (EXCLUSIVE OF MEXICO) . 



910 pp., illus. Boston and New York. 



(494) SAUNDEBS, A. A. 



1911. A PRELIMINARY LIST OF BIRDS OF GALLATIN COUNTY, MONTANA. Auk 



28: 26-49. 



(495) - 



1911. A STUDY OF THE NESTING OF THE CEDAR WAXWING. Auk 28: 323- 



329. 



(496) - 



1912. THE PROBABLE BREEDING OF THE BOHEMIAN WAXWING IN MONTATA. 



Condor 14 : '224. 



(497) SCLATER, W. L. 



1912. A HISTORY OF THE BIRDS OF COLORADO., 576 pp., illUS. London. 



(498) SELKS, L. F. 



1937. FOOD HABITS OF IOWA SKUNKS IN THE FALL OF 1936. Jour. Wildlife 



Management 1 : 70-76, illus. 



(499) SENNETT, G. B. 



1880. FURTHER NOTES ON THE ORNITHOLOGY OF THE LOWER RIO GRANDE 

 OF TEXAS FROM OBSERVATIONS MADE DURING THE SPRING OF 1878. 



Bull. U. S. Geol. and Geogr. Survey of the Territories, 1879-80, 

 5 : 371-440. 



(500) SETON, E. T. 



1929. LIVES OF GAME ANIMALS ... 4 v. in 8, illus. Garden City, N. Y. 



(501) SCHMIDT, F. J. W. 



1936. WINTER FOOD OF THE SHARP-TAILED GROUSE AND PINNATED GROUSE IN 



WISCONSIN. Wilson Bull. 43: 186-203, illus. 



(502) SCHNEIDER, C. 



1921. NOTKIS ON AMERICAN WILLOWS, xn. Arnold Arboretum Jour. 3: 



(503) SHANNON, C. W. 



1913. THE TREES AND SHRUBS OF OKLAHOMA. Okla. Geol. Survey Cir. 4, 



41 pp., illus. 



(504) SHANTZ, H. L. 



1935. CHALLENGE OF EROSION TO BOTANISTS. Iowa State Col. Jour. Sci. 



9: 353-363. 



(505) SHAW, G. R. 



1914. THE GENUS PINUS. Arnold Arboretum Pub. 5, 96 pp., illus. 



(506) SHAW, W. T. 



1936. MOISTURE AND ITS RELATION TO THE CONE-STORING HABIT OF THE 



WESTERN PINE SQUIRREL. Jour. Mammal. 17 : 337-349, illus. 



(507) SHELFORD, V. E. 



1926. NATURALISTS GUIDE TO THE AMERICAS . . . 761 pp., illus. Balti- 

 more. 



(508) SHIMEK, B. 



1935. THE IMPORTANCE OF OUTDOOR PLANT STUDIES. Iowa State Col. Jour. 

 Sci. 9: 325-327. 



