1921] 



SHROSBREE, NEW SERIES OF BIRD GROUPS. 



29 



The appointment of Mr. Herbert L. Stoddard, of the Harris School 

 Extension of the Field Museum of Natural History, Chicago, solved 

 that problem. He reported for duty early in January. 



Soon afterwards I suggested to the Director that it might be a good 

 idea to send Mr. Stoddard on a general reconnaissance in Sauk and Co- 

 lumbia Counties. Wisconsin, territory with which he was very familiar. 

 He left for the field April eighth, and about three weeks later he sent 

 word that he had discovered a colony of Double-crested Cormorants. 

 Here was our third "booking" of large nesting colonies. The colonies 



Fig. 15. — A large burr oak with nests of the Great Blue Heron. This 

 illustration shows a collector ascending the tree. Fox Lake, Dodge 

 County, Wis. 



were widely separated. One was situated about sevent}' miles northeast 

 of what was to be our headquarters, and another seventy miles south. 

 This and other reports which I received from Mr. Stoddard made me 

 restless — in fact, I had the "fever." It was necessary to prepare a sched- 

 ule for the different expeditions situated so many miles apart, but to 

 arrange for the birds to be ready when we called was an entirely differ- 

 ent matter. 



However, on May eleventh I got word by long distance from Mr. 

 Matt. J. Baird, Fox Lake, Wisconsin, whose family owns the property 



