80 m'gregor. 



Walden, Arthur, Viscount: On two new species of birds from tlie Phil- 

 ippine Islands. Ann. & Mag. Nat. Hist. (1872), lA^, 10, 252. 

 Eeprinted in Tweeddale's Ornith. Works (1881), 234. 



Hyloterpe philippinensis and Orihotomus eastaneiceps, new species, de- 

 scriiecl. 



Walden, Arthur, Viscount: On a collection of birds recently made by 

 Mr. A. H. Everett in northern Borneo. Ibis (1872), III, 2, 

 360-383, pi. 12. Eeprinted in Tweeddale's Ornith. Works (1881), 

 217-233. 



Notes on Spilorms baeha, Centrococcyx javanensis, Surniculus lugubris, 

 Tchitrea affinis, Melanopiiia muelleri, Oriolus xanthonoius, and several 

 commoner species which range to the Philippines. 



Walden, Arthur, Viscount: A list of the birds known to inhabit the 

 island of Celebes. Trans. Zobl. Soc. London (1872), 8, pt. 2, 

 23-118, pis. 3-10. Reprinted in Tweeddale's Ornith. Works (1881), 

 127-215. 



Discussion of the zoological relationships of Celebes and notes on a number 

 of species which range to the Philippines. JEgialitis peronii is figured on 

 plate 10. 



Walden, Arthur, Viscount, and Layard, E. L. : On birds recently observed 

 or obtained in the Island of Negros, Philippines. Ibis (1872), 

 III, 2, 93-107, pis. 4-6. Eeprinted in Tweeddale's Ornith. Works 

 (1881), 114^123. 



Notes on 22 species observed or collected by Layard; lanthcenas griseogu- 

 laris, Chrysocolaptes xanthocexjlialvs, and Dicruriis iniraiilis, new species, are 

 figured and described. 



Walden, Arthur, Viscount: Descriptions of two new species of birds. 

 Ann. cC Mag. Nat. Hist. (1874), IV, 13, 123. Eeprinted in Tweed- 

 dale's Ornith.^Works (1881), 253. 



Pelargopsis glganiea, ncAV species, described from Salok Island. 



Walden, Arthur, Viscount: A list of the birds known to inhabit the 

 Philippine Archipelago. Trans. Zool. Soc. London (1875), 9, pt. 

 2, 125-252, pis. 23-34. Eeprinted in Tweeddale's Ornith. Works 

 (1881), 293-413. 



A most important review of Philippine ornitholog,v giving a list of 218 

 species with critical notes and a map of the Philippine Archipelago: the 

 following species are figured: Limnaetiis philippensis, Ninox phiUppensis, 

 Pseudoptynx philippensis, Lempijius megalotis,- Merops bicolor, M. suma- 

 tranus, Oranorrhinus leucoeephalus, Penelopides panini, Lanius lucionensis, 

 Pseudolalage melanoleiica, Orauoahis striatus, Volvocivora carulescens, Di- 

 crurus halicassius, Eyloierpe philippensis, Philentoma cyaiiiceps, Pycnonotus 

 urosticius, Copsyehiis mindanensis, Amaurornis olivacea, Leucotrcron giro- 

 nieri, Phapiireron amethystina. 



