A COLLECTION OF BIEDS FEOM X. E. SUMATKA. 93 



These birds are paler beneath and smaller than those 

 from the Malay Peninsula for which in the north the name 

 C. m. querulus, Hume, is applicable while southern birds have 

 been named C. m. Hire nodes, Cab. and Heine. 



76. Centropus sinensis bubutus, Horsf. 



Centropus bubutus, Horsrleld. Trans. Linn. Soc. XIII, 

 p. ISO (1821) : Stresemann Nov. Zool. XX, p. 322 

 (1913). 

 Centropus euri/cercus, Hartert. p. 200. 

 9 . Deli Toewa. Deli X. E. Sumatra. 10th March 1917 



[Xo. 12;]. 

 2, Tandjono- Morawa. Serdano-. X. E. Sumatra. 27th 



March 191? [Xo. 181]. 

 Wing-. 2 . 226, 233 mm. 



77. Centropus bengalensis javanensis(Dumont). 



Eobinson and Kloss, p. 139. 



Centropus javanensis, Hartert. p. 199. 



5,22. Xo exact locality. 20th April— 23rd May 1916. 



2 8 , 2 imm., 2 , Toentoengan, Deli, ^N. E. Sumatra, 14th 



Xorember — 30th December 1917 ; 15th January — 

 Tth February 1918 [Xos. 593, 891. 916, 971]. 

 6o. 52. pull. Polonia, Deli. N". E. Sumatra, 7th June 

 1916— 31st October 1917 [Xos. 30. 116.' 189. 422, 

 541-2, 547. 575. 670. 738, 779]. 

 Wing, $, 131. 132, 135. 132, 136. 138. 138. 139. 140. 

 141; 2 150, 152, 157. 154, 154. 158. 160, 163. 

 Common in long grass and lalang. As in other species of 

 the genus females are consistently larger than males. 



78. Rhopodytes tristis elongatus^S. Muell). 



Eobinson and Kloss, p. 136. 



3 S . 22. Bandar Baroe. Deli. X. E. Sumatra. 18th May 



1917; 21st— 27th January 1918 [Xos. 375, 376, 



917, 918. 919]. 

 Wing, $ . 148, 145, 145 ; 2 . 150. 148 mm. 

 A mountain form. 



79. Rhopodytes diardi(Less.). 



Eobinson and Kloss, p. 137: Hartert, p. 199. 

 2 , Tandjong Morawa, Serdang. X. E. Sumatra, 16th 



October 1917 [Xo. 563]. 

 2 $ , 2 2, Polonia, Deli, X. E. Sumatra, 23rd August 



1916— 31st October 1917 [Xos. 576, 733, — , — ]. 

 2 6 , Toentoengan. Deli. X. E. Sumatra, 23rd Xoy ember 



1917 — ±tli February 1918 [Xos. 828, 970]. 

 $ S Xo exact locality.' 26th April— 15th May 1916. 

 Wing, o\. 124, 131. 127. 124. 127, 131; 2, 126, 125, 

 128 mm. 



Common in secondary jungle. 



R. A. Soc, No. 80, 1919. 



