102 CHECK-LIST OF NORTH AMERICAN BIRDS. 
278. Aigialitis nivosa Cass. 
Snowy Plover. 
Aigialitis nivosa Cass. in BairD, B. N. Am, 1858, 696. 
[B 509, C gor, R 521, C 5ogr.| 
Groc. Dist.— Western United States, from California east to 
Kansas and western Gulf States; in winter, both coasts of Central 
America, and western South America to Chili. Western Cuba. 
[279.| Aigialitis mongola (PALL.). 
Mongolian Plover. 
Charadrius mongolus Patt. Reise Russ. Reich. III. 1776, 700. 
Aigialites mongolus Swinh. P. Z. 8. 1870, 140. 
[B—, C—, R—, C—.] 
Geroc. Dist.— Northern Asia, south in winter to India, Malay 
Archipelago, Philippines, and Australia. Choris Peninsula, Alaska ; 
accidental. 
SuRGENusS OCHTHODROMUS ReEICHENBACH. 
Ochthodromus ReIcH. Syst. Av. 1852, p. xvii. Type, Chara- 
drius wilsonius ORD. 
280. Aigialitis wilsonia (ORD). 
Wilson’s Plover. : 
Charadrius wilsonia Ord, Wits. Orn. IX. 1814, 77, pl. 73, fig. 5- 
Agialites wilsonius Bonar. Geog. & Comp. List, 1838, 45. 
[B x06C 398, R522, Cass. 
Groc. Dist.— Coasts of North and South America, from Long 
Island and Lower California southward to Brazil and Peru, including 
the West Indies. Casual north to Nova Scotia. 
SuBGENUS PODASOCYS Cougs. 
Podasocys Cours, Pr. Ac. Nat. Sci. Phila. 1866, 96. Type, 
Charadrius montanus ‘TOWNS. 
