10 



brook. To escape, it swam in a small narrow strip of open 

 water. Mr. Walters writes : 



This bird used its wings continually while swimming, using them 

 much in the same manner as if in the air. . . . While the bird was in 

 the water, I ran along the edge of the ice and had an excellent oppor- 

 tunity to observe this use of the wings, as the bird was almost at my 

 feet. l 



Mr. Charles L. Barnes, Bayonne, New Jersey, writes that in 

 October, 1920, at Knops Pond, Groton, Massachusetts, a 

 Holboell's Grebe dived and swam beneath his skiff. Although 

 the flickering shadows lessened the accuracy of observation, it 

 seemed that the bird used both feet and wings with great speed, 

 in a manner similar to that of the Pied-billed Grebe. 



My attention was first called to the use of the wings of grebes 

 under water by Mr. Charles W. Vibert, South Windsor, Con- 



winter. Summer. 



HORNED GREBE (Colymbus auritus). 

 (From "Game Birds, Wild-Fowl and Shore Birds.") 

 This species, like other grebes, uses both feet and wings at times for propulsion under water. 



necticut, who wrote me about ten years ago that he had been 

 keeping a Horned Grebe alive in a tank, and that it often raised 

 its wings slightly when swimming under water. Late in 

 November, 1917, Mr. C. A. Clark, Lynn, Massachusetts, called 

 on me and said that he had just come in from the Lynn Woods. 



1 Faxon, Walter and Hoffman, Ralph: Supplementary Notes on the Birds of Berkshire County, 

 Massachusetts. Auk, Vol. XXXIX, No. 1, January, 1922, pp. 71, 72. 



