48 BIBLIOGRAPHY [ 196 



Ramaley, Francis, and Robbins, W. W. Ecological notes from 

 North-Central Colorado. Univ. of Colo. Studies, 5, 111-117. 



Ramaley, Fancis, and Robbins, W. W. Studies in lake and 

 streamside vegetation, I. Redrock lake near Ward, Colorado. Univ. 

 of Colo. Studies, 6, 133-168. 



Robbins, W, W. Climatology and vegetation in Colorado. Bot. 

 Gaz., 49, 256-280. 



Robbins, W. W. Studies in mesa and foothill vegetation, I. 4. 

 Distribution of deciduous trees and shrubs on the mesas. Univ. 

 of Colo. Studies, 6, 36-49. 



Robbins, W. W., and Dodds, G. S. Studies in mesna and foot- 

 hill vegitation, I. 3. Distribution of conifers os the mesas. Univ. 

 of Colo. Studies, 6, 31-36. 



Shantz, H. L. A biological study of the lakes of the Pike's 

 Peak region. Trans. Am. Micro. Soc, 27, 75-98. 



Shantz, H. L. A study of the vegetation of the mesa region 

 east of Pike's Peak. Bot. Gaz. 42, 16-47; 179-207. 



Young, R. T. Forest formations of Boulder County, Colorado. 

 Bot. Gaz. 44, 321-352. 



