Dr. A. B. Meyer on the Birds of Celebes. 43 



adult plumage, the streaks on the thighs characteristic of 

 immaturity having disappeared. 



308. IIypotriorchis .esalon, L. 



There are skins of both adult and young of Falco asalon, 

 Linn., in the British Museum collected by Mr. Pryer in 

 Japan. 



309. Hypotriorchis amurensis. 



There is no reason to doubt the correctness of this identi- 

 fication. The name should stand Cerclmeis amurensis (Radde) . 



310. Falco peregrinus, Tunst. 



There are skins of Falco peregrinus, from Hakodate, both 

 in the Norwich and the British Museums. 



III. — Field-notes on the Birds of Celebes. By A. B. Meyer, 

 M.D., C.M.Z.S., Director of the Royal Zoological Mu- 

 seum, Dresden. Part I. Psittaci, Rapaces, and Picari^e. 



The following notes were written nearly as they are during 

 my stay on the island of Celebes from December 1870 till 

 November 1871 (and again for a short time in 1873) . T then 

 visited the northern peninsula (the so-called Minahassa), a 

 part of the countries round the Gulf of Tomini, including the 

 Togian Islands within this gulf, the Sangi Islands to the 

 north of the Minahassa, and the south-western peninsula, the 

 chief place of which is the well-known town of Makassar. 

 The birds collected by myself were obtained in the months from 

 December to June in the Minahassa, from July to September 

 in the countries round the Gulf of Tomini, and in October, 

 November, and January in the south. It is known that the 

 Marquis of Tweeddale (then Viscount Walden) had my col- 

 lections at his disposal when he published his list of the 

 birds of Celebes (Trans. Z. S. viii. p. 23) ; and I shall treat the 

 species on which I have any thing to say in the order in which 

 they are enumerated in that memoir, and with the same no- 

 menclature. I regret that the exact localities where I got 

 my specimens were often destroyed, and the exact dates when 



