BIRDS FROM SIAM AND THE MALAY PENINSULA 175 



following dates: May 12, May 26, July 28, and August 31, only one of 

 which contained a completed set of four eggs. 



RAMPHALCYON CAPENSIS MALACCENSIS (Sharpe) 



Pelargo'psis malaccensis Sharpe, Proc. Zool. Soc. London, 1870, p. G7 (Malacca)' 

 Ramphalcyon capensis hTjdrophila Oberholser, Proc. U. S. Nat. Mus., vol. 35, 

 p. G77, 1909 (Singapore Island). 



One male and one female, Bangnara, Patani, May 30, 1924, July 11 > 

 1926; one male, Bukit, Patani, January 27, 1931; one male, Yala, 

 Patani, February 1, 1931; one male and fom* females, Nakon Srita- 

 marat, September 16-October 8, 1926; one unsexed, Ban Tlia Yai, 

 Nakon Sritamarat, July 8, 1928; one female, Bandon, January 7, 

 1927; one male, Tlia Lo, Bandon, September 14, 1931. 



Dr. W. L. Abbott collected the following: Three males and three 

 females, Tyching, Trang, May 10-July 6, 1896; one male, Packa, 

 Trengganu, September 26, 1900; one male, Jambu Luang, east coast of 

 Johore, August 2, 1901; one male, Singapore Island, May 27, 1899 

 (type of hydrophila Oberholser). He describes the soft parts as: 

 Male, iris dark brown; bill dark red, tip black; feet bright red, claws 

 black ; orbital ring red ; the female is similar. 



The t3'pe of Bamphalcyon cajyensis hydroj^hila Oberholser has a 

 lighter-colored pileum with a more buffy wash than the remainder of 

 the above series. There is a male from Nakon Sritamarat (no. 

 308608) that has even a deeper, more ocliraceous wash on the pileum 

 than the type of hydrophila; these two specimens I prefer to consider 

 aberrant. The males from Trengganu and Johore have dark pileums 

 and are similar to those from Trang, or even a little darker. The 

 pileiun becomes lighter as the foim extends north in the Peninsula, 

 and there is a bluish wash in the Bandon male and in one male from 

 Nakon Sritamarat. In the other male from the latter locality, as 

 mentioned above, tlie pilemn is washed with ocliraceous. The male 

 from Bandon, however, is darker on the pileum and back than bur- 

 manica from farther north. 



The females of the genus are apparently somewhat larger than the 

 males and have a tendency to be somewhat lighter on the pileum. 

 Two females from the Rhio Ajchipelago (Lingga Island and Pido 

 Bintang), associated by Oberholser with the type of hydrophila in his 

 description, have longer bills than any female measured from the 

 mainland; they are somewhat immature and may or may not belong 

 to the mainland race. As to their drab, ochraceous-washed pileums, 

 they can be almost matched by a female from Nakon Sritamarat (no. 

 308611). For tlie present they can be placed with the mainland form 

 with some reservations. 



Ten males from Peninsular Siam (from Bandon south) and the Malay 

 States measure: Wing, 139-153 (146.2); tail, 85.5-95 (91.7); culmen. 



