Dec. 1915. BIRDS COLLECTED IN NORTHERN SIAM. 231 



This subspecies of Euri/stomus orientalis ( F. B. I., No. 1025 ) 

 is characterized by having, aiiKuig other points of difference, the outer 

 webs of the r^ctrices blue, while tliose in the tj-pical form are black 

 without any bluish shade. The averagr^ length of the wing in E. 

 o. calonyx is 180-203 mm., against 172-194 mm. in E. orientalise 

 orientalis. 



Fam. MEROPIR^. 



+ 132. Mekops orientalis birmanus, Neum. Synonymous with M. 

 viridis. The Common Indian Bee-eater. Linn., F. B. /., 

 No. 1026. 



133. Melittophagus swinhoei, Hume. (*) The Chestnut-headed 

 Bee-eater Synonymous with M. swinlioii, Hume, F. B J.. 

 No. 1030, 



134. (1031). Nyctiornis athertoni, Jard, & Selby. {*) The 

 Blue-bearded Bee-eater. 



Fam. ALCEDINID^. 



135. Alcedo ispida bengalensis, Qm. (*) The Common Indian 

 Kingfisher. Synonymous with A. ispida, Lii\n., F. B. I.. 

 No. 1035. 



-/- 136. Ceyx tridactylus, Pall. The Indian Three-toed Kingfisher. 

 Synonymous with G. tridadyla, Pall., F. B. I., No. 1040. 



137. Pelargopsis gurial bdrmanica, Sharpe. (*) The Burmese 

 Brown-headed Stork-billed Kingfisher. A geographical 

 race of P gurial, Pearson, F. B. /., No. 1043. 



138. Halcyon smyrnensis FUSCA, jBof^t^. (*) The White-breasted 

 Kingfisher. A subspecies of H. smyrnensis, Linn., F. B. I., 



- _Jia.4044. 



139. (1045). Halcyon pileata, Bodd. (^) The Black-capped 

 Kingfisher. 



4-1X0. (1046). Callialcyon lilacina, Sivains. The Ruddy King- 

 fisher. 

 141. (1050). Carcineutes pulchellus, Horsf, {*) The Banded 

 Kingfisher. 



Fam. BUCER0T1B2E. 



. 142. (1051). Dichoceros hicornis, Linn. {*) The Great Horn- 

 bill. 



