1877.] ON THE BIRDS OF THE PHILIPPINES. 535 



Besides these a few specimens (26 in all) were obtained at Hons- 

 }Tnt? T' f.^P^"' N^w Zealand, St. Jago, Cape Verd, and one fr 

 examination '''' "^ ^^^ '"""' ""^'"^ necessitate special 



Under the head Oeeamc Birds I place the members of the follow- 

 ing tamilies, which are most conveniently studied as groups :— 



i'^* •.:: 47 specimens 



rrocellariidse gQ 



Steganopodes 33 " 



Spheniscidse 38 



Total.. 198 



To aid me in my task I have been fortunate enough to obtain the 

 valuable assistance of the Marquess of Tweeddale, our President for 



tards'ttT^'T "^'^^ rif 'PP''^^^ ^''''' «f Mr- O- Salvin as re- 

 gards the Procellarnda., of Mr. Howard Saunders for the Laridse. of 



;.?f '. /"' ^^i^""^' °^ *^' S°"'h P'^'^ifi'^ Islands ; and I hope to 

 geUhat of Count T. Salvador! for some of the Moluccan and Papuan 



The members of the other groups I trust to be able to determine 

 Mr. o/sahin ^ "^ ''' '°"J""'=^^''" ™'*^ "^ '^""Sta^t fellow-worker 



With the approbation of Sir C. Wyville Thomson I propose to 

 communicate the results of the investigations of these gentlem^en and 

 myself on this subject to the Society in a series of reports, which 

 rmirnd ^"'"'"P^"'''^ ^^ "^^''^'^'^ ^^"^ Mr. Murray's ornithological 



2. Reports on the Collections o£ Birds made during the 

 Voyage of H.M.S. ^ Challenger.'-No. 11. On the Birds 

 of the Philippine Islands. By Arthur, Marquis of 

 Tweeddale, F.R.S., President of the Society. 



[Eeceired June 8, 1877.] 



The 'Challenger' Expedition, during its stay in the PhiHppine 

 archipelago, visited six islands, viz. Panay (Ilo-ilo), Luzon (Manila), 

 Zebu, Camiguin, Malanmo, and Mindanao (Zamboanga and Pasa- 

 nanca). It is not on record that two of these islands, Camiguin and 

 Malanipa, had ever been previously visited by any ornithological 

 collector, while from Mindanao only some nineteen species of bi^ds 

 were known. Dr. Steere, at about the time the ' Challenc^er ' was 

 near Mindanao, CO lected many additional species of birds on that 

 island, as he had also done in the islands of Zebu and Panay; and 

 as the results of his researches have already been made known by 



