A LIST OF THE BIRDS FOUND IN MARSHALL COUNTY, 



IOWA. 



IRA N. GABRIELSON. 



During- a three yeare' residence at ]\Iarshalltown, Marshall 

 county, Iowa, ending September 15, 1915, the writer spent most 

 of his spare time in a study of the avifauna of the region. Nearly 

 all parts of the ■county were visited, the area within which most 

 of the work was done being- indicated on the accompanying map 

 (figure 10) . 



Fig. 10. Map of Marshall county, Iowa. The area inclosed by the heavy 

 black line includes the territory within which most of the birds recorded in 

 this paper were found, 



Marshall county lies almost in the exact center of the state of 

 Iowa. Its geology and topography have been fully described by 



