ORDER CHARADRIIFORMES. 119 



• Arquatellaptilocnemis quarta (Hartert). Commander Sandpiper. [235c.] 



Erolia maritima quarta Hartert, Novitates Zool., XXVII, No. 1, June 15, 

 1920, 137. (Bering Island, Commander Islands.) 



Range. — Commander Islands; casual on Attn Island, Aleutian chain 

 (June 23, 1911).i 



Genus PISOBIA Billberg. 



Pisobia Billberg, Synops. Faunae Scand., I, Pt. ii, 1828, 136. Type, by 

 subs, desig., Tringa minuta Leisler (A. O. U. Comm., 1908). 



Pisobia acuminata (Horsfield). Sharp-tailed Sandpiper. [238.] 



Totanus acuminatus Horsfield, Trans. Linn. Soc. Lond., XIII, Pt. i, 

 May, 1821, 192. (Java.) 



Range. — Breeds on the Chukches Peninsula, Siberia. Winters in Japan and 

 south to New Guinea, the Bismarck Archipelago, Tonga Islands, Australia, and 

 New Zealand; occurs in fall migration on Kotzebue and Norton sounds, 

 Pribilof and Unalaska islands. Casual on the coast of British Columbia and 

 near San Diego, California. Accidental in Hawaii and Great Britain. 



Pisobia melanotos (Vieillot). Pectoral Sandpiper. [239.] 



Tringa melanotos Vieillot, Nouv. Diet. d'Hist. Nat., nouv. ed., XXXIV, 

 1819, 462. (Paraguay.) 



Range. — Breeds on the Arctic coast from northeastern Siberia to northern 

 Alaska (mouth of the Yukon), northeastern Mackenzie, and Southampton 

 Island. Winters in South America from Peru and Bolivia to northern ChUe, 

 Argentina, and central Patagonia; rare migrant on the Pacific coast; common in 

 faU migration in the Mississippi Valley and on the Atlantic coast, rare in spring 

 especially in the latter region. Casual or accidental in Hawaii, New Zealand, 

 Japan, Aleutian Islands, Greenland, and England. 



Pisobia fuscicollis (Vieillot). White-rumped Sandpiper. [240.] 



Tringa fuscicollis Vieillot, Nouv. Diet. d'Hist. Nat., nouv. ed., XXXIV, 

 1819,461. (Paraguay.) 



Range. — Breeds along the Arctic coast from northern Alaska (Point 

 Barrow) and Mackenzie to Southampton and southern Baffin islands; reported 

 in summer east to Greenland. Winters from Paraguay to southern Patagonia 

 and the Falkland Islands; in migration most abundant in the Mississippi 

 Valley but uncommon in Alberta and on the Atlantic coast. Casual in Ber- 

 muda, the Azores, Great Britain, the West Indies, and Franz Josef Land. 



1 Bent, Bull. U. S. Nat. Mus., No. 142, 1927, 159. 



