153 
I 
BIRDS OF COLORADO. 
Finches. Bull, Geol. and Geog. Surv. Ter. No. 2. 
Second Series. May ii, 1875. pp. 
A full discussion of the three species and two varieties that inhabit the 
United States. Four of these forms are found in Colorado and three-fourths of 
the specimens that form the basis of the mor.ograph came from Colorado. 
Page 38. Add. Sprague, U. [=W.] A. The Dwarf Thrush 
in Colorado. Auk^ XIII. 1896,/. 8^. 
One taken at Magnolia, October 6, 1895, and identified by Ridgway, 
