EGGS OF NORTH AMERICAN BIRDS. 45 



the coast of Virginia, northward, to the Magdalen Islands, 

 Gulf of St. Lawrence, in early June. 



277«. Belted Piping Plover, ^gialitis melodia circum- 

 citicta. Eggs, indistinguishable from those of No. 277. Breeds 

 in the Missouri River region, and perhaps occasionally on the 

 Atlantic coast. 



278. Snowy Plover, ^gialitis nivosa. Eggs, 3 or 4, 

 light clay-color, thickly sprinkled with blackish brown in lines 

 and scratches ; resemble those of No. 277, but differ in having 

 more decided lines. Breeds on the western coast of North 

 America, from April to July. 



279. Mongolian Plover, ^gialitis mongola. Eggs, prob- 

 ably unknown. Extralimital ; breeds in Northern Asia. The 

 bird is accidental in Alaska. 



280. Wilson's Plover, ^gialitis wilsonia. (Type, Plate 

 VI.) Eggs, 2 or 3, similar to those of No. 273, but lined 

 throughout, and not spotted; 1.00 -f- 1.35 to 1.05 -|- 1.40. 

 Known by the numerous lines and absence of rounded spots. 

 Breeds on both coasts of America, fi*om Lower California and 

 Long Island to Brazil and Peru, including the West Indies and 

 Bahamas. 



281. Mountain Plover, ^gialitis montana. Eggs, 2 to 4, 

 decidedly pyriform, greenish brown, finely and plentifully 

 dotted with very dark brown and black ; 1.10 -|- 1.40 to 1.12 -|- 

 1.50. Known by the dark color and fine dottings. Breeds in 

 temperate Nortli America, westward, in May. 



Family VI. — APHRIZIDJE. Surf Birds and Turnstones. 



Eggs not so decidedly pyriform as in the last family, and 

 darker in color, as a rule. 



282. Surf Bird, Aphriza virgata. Eggs, unknown to me. 

 Occurs on the Pacific coast of America, from Alaska to Chili 

 and the Sandwich Islands. 



283. Turnstone, Arenaria interpres. Eggs, 2 to 4, some- 

 what pyriform, greenish ash, spotted and blotched irregularly 



