676 PROCEEDINGS OF THE ACADEMY OF [Oct. , 



armstrongi Sharpe (Cat. Bh^ds Brit. 3Iiis., XVII, p. 277), but it 

 is unlikely that two forms would occur together unless one was a 

 migrant, and it is possible that the peculiarities shown by this 

 specimen may have something to do with season or age. 



Buceros rhinoceros Liun. 



Buceros rhinoceros LiniuTeus, Sj'st. Nat. (X), I, p. 104, 1758. ludia. 

 One male from the highlands of Padang. 



Anthracoceros convexus (Temm.). 



Buctros convexus Temminck, PI. Col., PI. 580, 1832. 



Five specimens from Lampong and one from the Padaug high- 

 lands. 



One of the males has the casque laterally swollen anteriorly to a 

 width of nearly two inches, so that it overhangs the bill on either 

 side. 



Anthracoceros malayanus (Raffl.). 



Buceros malayanus Raffl., Trans. Linn. Sec, XIII, p. 293, 1822. 

 Malacca. 



One male from Lampong. 



Bhytidoceros nndnlatns (Shaw). 



Buceros undulatus Shaw, Gen. Zool., VIII, p. 26, 1811. Batavia. 

 One specimen from Lampong which has the base of the bill only 

 slightly wrinkled, but wiih the black throat bar present; wing 

 measures 19 inches, 



Merops sumatranns Raffl. 



Merops sumatranus Ratfles, Trans. Linn. Soc, XIII, p. 294, 1821. 

 Sumatra. 



One young bird from Padaug. 



Merops philippinns Linn. 



Merops phihppinus LinnsEUS, Syst. Nat. (XIII ed.), I, p. 183, 1787. 

 Philippines. 



Three examples from Padang and one from Lampong. 



There seems to be considerable variation in the amount of blue 

 above, No. 38, 852 being quite blue on the crown and with scat- 

 tered blue feathers on the back. 

 Alcemerops amiota (Temm.). 



Merops amicta Temminck, PI. Col., IV., PI. 310, 1821. 



Four specimens from the Padang highlands and one from Lam- 

 j^ong. No. 38,918 is molting, probably from the juvenal plumage, 



