88 A COLLECTION OP BIRDS FROM N. E. SUMATRA. 



29,9, Deli Toewa, Deli, N. E. Sumatra, 9th February 



1917— 2nd May 1917 [Nos. 12, 335-6]. 

 9 , Polonia, Deli, N. E. Sumatra, 16th June 1916 [?]. 

 $, Toentoengan, Deli, N. E. Sumatra, 5th February 



1918' [No. 972]. 

 Females are very much smaller than males especially as 

 regards the casque, and have a rufous brown patch towards 

 the base of the lower mandible. 



53. Anthracoceros malayanus (Raffles). 



Hartert, p. 201. 



$ , Boeloe, Deli, N. E. Sumatra, 27th November 1916. 



9 , Toentoengan, Deli, N. E. Sumatra, 9th February 1918 



[No. 781]. 

 Rarer than most of the other Hornbills. 



54. Cranorrhinus corrugatus(Temm.). 



Hartert, p. 201. 

 $ , Toentoengan, Deli, N. E. Sumatra, 2nd December 



1917 [No. 838]. 

 A rare species everywhere. 



55. Rhytidoceros unduIatus(Sbaw). 



Robinson and Kloss, p. 129 ; Hartert, p. 201. 

 $ , 9 , Boeloe, Deli, N. E. Sumatra, 26th— 27th Novem- 

 ber 1916. 

 $ , Bandar Baroe, N. E. Sumatra, 17th April 1917 [No. 



284]. 

 Usually found at considerable elevations. 



56. Rhinoplax vigil (Forst.). 



Hartert, p. 201; Wetmore, Proc. U. S. Nat. Mus. 47, 



p. 497 (1914). 

 $ , Deli Toewa, Deli, N. E. Sumatra, 5th May 1917 [No. 



334]. 

 Wetmore (loc. cit.) has noted that this species never 

 moults its two median tail feathers simultaneously. In the 

 present specimen one is fully developed and much abraded on 

 its terminal half while the other is only about one fourth 

 grown,. 



Malays and Chinese value the casque of this species high- 

 ly for magical and medicinal purposes. 



MEROPIDAE. 



57. Merops viridis, Linn. 



Merops sumatranus, Hartert, p. 202. 

 Robinson and Kloss, p. 130. 

 $ , Deli Toewa, Deli, N. E. Sumatra, 16th November 



1916 [No. 783]. 



$ , Laboean Deli, Deli, N. E. Sumatra, 24th February 



1917 [No. 71]. 



Jour. Straits Branch 



