214 NEW- YORK FAUNA — BIRDS. 



(EXTRALIMITAL.) 



C. montanus. (Towns. Tr. Ac. Sc. Vol. 7, p. 192. Atjd. Vol. 5, pi. 318.) Female, dull yellowish 

 above ; forehead, band over the eye, fore part of the neck and all beneath white ; bill black ; top 

 of the head and nape dark yellowish brown. Tail even, yellowish brown tipped with yellowish 

 white. Male, unknown. Length, 8-5. Rocky mountains. 



GENUS SQUATAROLA Cuvier. 

 Habits and general appearance of the preceding. Feet four-toed ; hind toe very^smalL 



THE WHISTLING PLOVER. 



Squatarola helvetica. 



PLATE LXXIX. FIG. 180 (Spring plumage). 

 (STATE COLLECTION.) 



Trtnga helvetica. LihNjEUs, Syst. Nat., p. 250. 



Charadrius apricarius. Wilson, Am. Orn. Vol. 7, p. 73, pi. 59, fig. 4. 



Vanellus helveticus. Ord's reprint of Wilson, Vol.9, p. 42. Squatarola, Cuvier. 



C (Squatarola) id. Bonaparte, Ann. Lye. N. Y. Vol. 2, p. 298. 



Vanellus melanogaster. Temminck, Vol. 2, p. 547. Richardson, F. B. A. Vol. 2, p. 370. Nuttall, Man. Orn. 



Vol. 2, p. 26. 

 Charadrius helveticus. Audubon, Birds of Am. Vol. 5, p. 199, pi. 315. Giraud, Birds of Long island, p. 211. 



Characteristics. Mottled. Bill long. Summer, mottled with black and white ; beneath 

 black. Winter, mottled with black and yellow ; beneath whitish. 

 Young and moulting, varied with black and whitish, often dull white 

 spotted with brown. Length, 1 1 • 5. 



Description. Bill longer than the head, straight, stout, 1 • 5 long. Wings scarcely ex- 

 tending beyond the tail, which is slightly rounded. A rudimentary web between the toes. 

 Hind toe with a minute nail. 



Color, varies much with the season. In summer, forehead dull white ; head greyish 

 white ; bill, throat, breast, and axillary feathers black. The specimen represented in the 

 plate was shot early in the spring, and scarcely requires further detail. A specimen labelled 

 " young," in the State Collection, is marked as follows : The color and arrangement of the 

 markings resemble those of the C. virginiacus, although somewhat lighter. Inner triangu- 

 lar spots on the tertials rufous. Frontlet, chin and obsolete line over the eye dull grey. Head 



