Nov., 1914 FORTY-FIVE YEAR HISTORY OF THE SNOWY HERON IN UTAH 
249 
Here is food for thought for all ornithologists, even those who have much 
wisdom and would theorize on that which was. How long has the Snowy 
Heron bred in Utah and why is it breeding here ? Is it to be traced back to 
the time when the sun shone hot on the Northland, or during the epoch of old 
Lake Bonneville, when these birds might easily have followed up from the sea 
Fig. 72. Meandering line of east shore of Great Salt Lake and its 
CONTIGUOUS MARSHES 
its connecting arm? Did woman’s vanity and vexation of spirit antedate the 
sixties to such an extent that some small remnant of a colony sought protec- 
tion in this far north latitude? But theories at best are not facts. That the 
Snowy Heron breeds in Utah, and has for forty-five years past — the self same 
