656 



REPORT OF STATE GEOLOGIST. 



Length, about 42.00-50.00; wing, 17.90-19.85; bill, 4.30-6.25; tarsus, 

 6.00-8.00. 



RANGE. America, from Colombia Valley and Venezuela north to 

 Hudson Bay and Sitka. Breeds locally throughout its range. Winters 

 from southern Indiana and southern Illinois south. 



Great Blue Heron. 



Nest, of sticks, in trees. Eggs, 3-6; greenish-blue; 2.50 by 1.50. 



Common migrant and summer resident; rare winter resident south- 

 ward. Breeding abundantly in suitable localities in the northern half 

 of the State and in Knox and Gibson counties. (Ridgway, 

 Chansler.) It may breed at other points in the Wabash Valley. 

 I cannot learn of its breeding along the Whitewater, but it has been re- 



