WILSON'S PHALAROPE. 



299 



numerous longitudinal rugae. Contents of 

 stomach small Crustacea. Intestine, e fg h 

 i j, of moderate length and width, the former 

 Hi inches, the latter 3 twelfths, diminishing 

 to lj twelfths; cceca, i i, 10 twelfths, i 

 twelfth in width for li inches, afterwards 1 

 twelfth, their distance from the extremity 1% 

 inches; cloaca, j, ovate, 5 twelfths in width. 

 Trachea 2 inches 7 twelfths long, much flat- 

 tened, l£ twelfths in width; the rings 90, 

 cartilaginous. Bronchi wide, of about 15 

 half rings. Lateral muscles rather strong; a 

 single pair of inferior laryngeal. Female. 



WILSON'S PHALAROPE. 



Lobipes Wilsonii, Sabine. 



PLATE CCCLXL— Male and Female. 



The habits of this beautiful species are little known, for so irregularly 

 does it perform its migrations, and so rarely does it settle for any length of 

 time in any part of the United States, that at present few opportunities of 

 studying them occur. Although I have found individuals in various places 



