132 BULLETIN 50, UNITED STATES NATIONAL MUSEUM. 
Ailgialitis| melodus var. cirewmcinctus Newson, Bull. Essex Inst., viii, 1876, 123 
153 (shore Lake Michigan, n. ¢. Illinois, April-Sept., breeding; very com- 
mon). 
Zigialitis meloda var. cireumcincta Eaciz, Bull. Nutt. Orn. Club, iii, 1878, 94 
(Rockaway, Long Island, April 30, 1873). 
[Agialitis meloda.] b. Var. cirewmcincta Barrp, Brewer, and Ripeway, Water 
Birds N. Am., i, 1884, 160. 
Aigialitis meloda circumcincta Ripeway, Proc. U, 8. Nat. Mus., iii, Aug. 24, 1880, 
199.—Brewster, Auk, iii, 1886, 408 (Sullivans I., South Carolina, May 11, 
1885).—AtLEN, Auk, iii, 1886, 482 (Long Beach, Barnegat Bay, New Jersey, 
April, 1877; Scarboro Marshes and Portland, Maine, May 17, 1878, and May 
2, 1880).— American OrnitHoLocists’ Union, Check List, 1886 (and 2d ed., 
1895), no. 277a,—Smira and Patmur, Auk, v, 1888, 147 (Virginia shore, near 
Washington, D. C., May 3, 1884).—Brown (N. C.), Auk, vi, 1889, 70 (Scar- 
boro, Maine).—Sronz, Birds E. Penn. and New Jersey, 1894, 80 (Long Beach, 
New Jersey).—Etiot, N. Am. Shore Birds, 1895, 186, pl. 62.—Brackert, 
Auk, xiii, 1896, 256 (Marshfield, Massachusetts, 1 pair, April 20, 1896).— 
Rang, Auk, xiii, 1896, 256 (Lake Manitoba, breeding; descr. nest and 
“eggs).—Woonrurr, Auk, xv, 1898, 62 (Millers, n. w. Indiana, breeding).— 
Buruer, Auk, xxiii, 1906, 273 (Millers, Indiana, breeding). 
Ai{gialitis] meloda cireumcincta Ripaway, Man. N. Am. Birds, 1887, 178. 
Aigialites melodus circumcinctus Ripeway, Nom. N. Am. Birds, 1881, no. 520¢.— 
Covss, Check List, 2d ed., 1882, no. 588. 
Ai[gialites] m[elodus] circwmcinctus? Couns, Key N. Am. Birds, 2d ed., 1884, 602. 
Charadrius melodus circumcinctus SenBoum, Geog. Distr. Charadr., 1887, pp. xvi, 
122, fig. 
CHARADRIUS MONGOLUS Pallas. 
MONGOLIAN PLOVER. 
Adult male in summer—A white frontal crescent, sometimes 
divided by a median black line (usually indicated by superficial 
spots *); immediately behind this a crescentic band or bar of black, 
confluent on each side with a black loral area, extending from eye 
to bill, broadest posteriorly, where extending beneath lower eyelid 
to and involving more or less of auricular region, and, usually, 
extending, very narrowly, across | anterior portion of forehead; a 
narrow white crescent, on lower eyelid; crown and occiput brommist 
gray or grayish brown (nearly hair brown), passing into pinkish buff 
or light pinkish cinnamon anteriorly, laterally and posteriorly, this 
into deep cinnamon on sides of neck and whole chest; malar region, 
chin, throat and foreneck immaculate white, abruptly defined against 
cinnamon of chest and sometimes separated from it by a narrow line 
of dusky or chain of small blackish spots; anterior portion of sides 
cinnamon, the feathers tipped with white, the posterior portion 
brownish gray, with broader white tips to feathers; rest of under 
parts immaculate white; back, scapulars, wing-coverts, tertials and 
rump plain grayish brown (hair brown), the upper tail-coverts 
@ Rarely the white on forehead is reduced to a pair of small and indistinct lateral 
spots, the forehead being mostly black. 
