OF M:\V VOKK 441 



Distribution. This species breeds from northwestern Alaska, central 

 Mackenzie and central Keewatin to British Columbia, central Montana 

 and northwestern Nebraska and northwestern Michigan; winters from 

 Cuba and Mexico to South America. Migrates through the Mississippi 

 valley and the South Atlantic coast. Specimens of this subspecies of the 

 Water thrush have been reported from Raritan and from Princeton, N. J. 

 The only New York specimen was taken at Millers Place, Long Island, 

 by A. H. Helme and is now in his collection. It is purely accidental in 

 New York. 



Seiurus motacilla (Vieillot) 

 Louisiana Water Thrush 



Plate 91 



Turd us motacilla Vieillot. Ois. Amer. Sept. 1807 (1808?) 2:9. pi. 65 

 Seiurus motacilla A. O. U. Check List. Ed. 3. 1910. p. 320. No. 676 



motacilla, Lat., wagtail 



Description. Upper parts olive brown; stripe over the eye white; under 

 parts white washed on the flanks and under tail coverts with buffy; breast and 

 sides streaked with blackish but not so closely as in the Northern water 

 thrush, the throat and center of the abdomen being plain white. Sexes 

 alike. 



Length 6-6.30 inches; extent 10-10.75; wing 3-3.25; tail 2.25; bill .55; 

 tarsus .91. 



Distribution. Breeds from southern Minnesota, southern Michigan, 

 Ontario, New York and southern New England to South Carolina and 

 northeastern Texas; winters from Mexico, the Bahamas and West Indies 

 to Colombia. The New York distribution of this species is shown by map 

 on page 27, volume i, of this work. It is a common summer resident in 

 the lower Hudson valley and locally as far north as Catskill and even 

 the southern end of Lake George. Throughout central and western New 

 York it is found in all the ravines of the central lake district as well as in 

 the Genesee valley and some of the streams flowing into Lake Erie; also 

 in the wooded valley of the Cohocton and Chemung. It is an early migrant, 

 appearing in southeastern New York from the gth to the I5th of April, 



