BLUE JAY. 
197 
continued to see Blue Jays for six hundred miles up the Mis- 
souri.* From these accounts it follows, that this species occupies, 
generally or partially, an extent of country stretching upwards 
of seventy degrees from east to west, and more than thirty 
degrees from north to south; though, from local circumstances, 
there may be intermediate tracts in this immense range, which 
they seldom visit. 
* This fact I had from Captain Lewis. 
