Report of a Mission to Guam . 33 



b". Culmen longer than mid-toe and claw, tip of bill not 

 decurved, under primary coverts white, toes cleft to the base. 

 Genus Tringa. 



b-\ Culmen longer than tarsus, lower parts white, chest 

 streaked or spotted with dusky, tail barred with grayish or dusky. 

 Genus Totanus. 



b"*. Wing 6.5 or more. 



C'. Wing about 8, bill decidedly arched or decurved. 

 Genus Niimeniiis. 



Or. Wing about 6, tarsus equal to the hind toe and 

 claw, axillars grayish, no web between inner and middle toes at base, 

 bill grooved for at least half its length. Genus Hcteractitis. 



Q}. Wing 7 or more, terminal part of bill smooth and 

 hard, culmen 3 or more, no white on wings. Genus Limosa. 



Genus GAI^IylNAGO Leach. 



23. Gallinago megala Swinh. Snipe. 



General color above blackish striped with sandy isabelline, 

 breast and abdomen white, a red subterminal band on the tail, tail 

 feathers 20. Length 9.5, culmen 2.3, wing 5.4, tail 2.15, tarsus 

 1.35. Hab. Eastern Siberia, wintering in the Philippines, Borneo 

 and the Moluccas ; in the Marianas during migrations. 



Genus TRINGA Linn^us. 



24. Tringa acuminata (Horsf.). Sharp-tailed' Sandpiper. 



Legs and feet pale, wings from the carpal joint more than 4.76, 

 the shafts of the quills for a portion of their length are white ; top 

 of head is rusty, with streakings and fleckings of dusky ; fore neck 

 and chest buff broadl}- streaked and splotched with dusky ; rest of 

 the lower parts white. Length 7.50-8. wing 4.90-5.50, culmen 

 .95-1.05, tarsus 1.10-1.25. Hab. West coast of America, islands 

 of the Pacific from Australia to Alaska ; Guam during migrations. 



Genus CAI^IDRIS Cuvier. 



35. Calidris arenaria Linn. Sanderling. 



General under color white, above light rusty (to ash graj^ in 

 winter), greater wing coverts broadly tipped with white. Length 

 7-8.50, wing 4.70-5, culmen .95-1, tarsus .95-1.05, mid-toe and 

 claw .55-. 60. Hab. Circumpolar ; breeds on all coasts of the Arcflic 

 ocean, south in winter to Malay archipelago, and Pacific islands ; 

 Guam during migrations. 



O. p. B. p. B. M.— Vol. I., No. ,^. 



