94 BULLETIN 17 2, UNITED STATES NATIONAL MUSEUM 



that the woodcock is fairly common in northern Siam in the winter 

 months and that it is regularly obtained by sportsmen from near 

 Chiengmai down to Ralieng, between October and March. 



The woodcock breeds in northern Europe and Asia and migrates to 

 Africa and southern Asia (India, Siam, southern China, and Indo- 

 China). 



ANTELIOTRINGA TENUIROSTRIS (Horsfield) 



Totanus tenuirostris Horsfield, Trans. Linn. Soc. London, vol. 13, p. 192, 1821 

 (Java) . 



Dr. W. L. Abbott collected an adult male at Prahmon, Trang, 

 March 21, 1896. He gives the soft parts as: Iris dark brown; bill 

 black; feet dull olive-brown, claws black. 



Robinson and Kloss ^ state that they have only four specimens from 

 the Malay Peninsula where it is a rare bird. Williamson ^° found this 

 species in considerable numbers at Lat Yai, near Meldong, Central 

 Siam, in February 1918. 



The species breeds probably in northern Siberia and migrates south 

 late in summer through China, Japan, India, Siam, the Malay States, 

 Java, the Philippines, etc., to Australia. Its rarity is probably more 

 apparent than real. 



PISOBIA RUFICOLLIS (Pallas) 



Trynga ruficollis Pallas, Reise durch verschiedene Provinzen des russischen 

 Reichs, vol. 3, p. 700, 1776 (Siberia). 



Six males and one female, Nakon Sritamarat, September 28 and 29, 

 1926. 



Dr. W. L. Abbott collected a male at Prahmon, Trang, March 

 24, 1896. 



While Pisobia minuta and Pisobia ruficollis in breeding plumage 

 are quite distinct and easily differentiated, specimens of the two 

 species in winter plumage are extremely hard to discrimmate. I 

 know of no absolute characters to tell the two apart in the cold season. 

 There are certain average characters, but they are not absolutely 

 certain. Specimens in winter plumage should be compared carefully 

 with authentic specimens of the two species, as there are certain slight 

 differences that are hard to convey in words. The wing in ruficollis 

 averages slightly longer, the tarsus shorter, and the bill shorter and 

 heavier. Six specimens of ruficollis measure: Wing, 98.5-106 (101.6); 

 culmen, 17-18.5 (17.7); tarsus, 19-20.5 (19.4) mm. SLx specimens of 

 minuta measure: Wing, 89-100.5 (96.2); culmen, 18-20.5 (19.2); 

 tarsus, 20-22 (21) mm. 



Of the two, ruficollis is probably the commoner; minuta is relatively 

 rare in Siam and the records more or less open to doubt. 



» Journ. Nat. Hist. Soc. Siam, vol. 5, 1921, p. 68. 

 "> Journ. Nat. Hist. Soc. Siam, vol. 3, p. 35, 1918. 



