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opinion in so far that we ncito M. tumulus as a siil.si)ccies with M. dupcrrcyi, 

 because of these intermediate specimens : bnt we cannot see the force of ignoring 

 the fact that the majority of Anstralian specimens are easily separable by their 

 darker and more rnfous upper-surface. They also appear to be larger, the wings 

 averaging from lioo to :;!70 mm. in tumulus, and from :i;5i) to 255 mm. in duperreyi. 



We have the following 60 specimens of typical duperrcjji before us : — 



2 ? North Lombok, 3000 ft. (Alfred Everett coll.). 



1 <J, 1 pull. Tambora, Sumbawa (\V. Duherty coll.). 



2 S Sumba (A. Everett coll.). 



2 i Djampea (A. Everett coll.). 

 2 ? Alor (A. Everett coll.). 



2 S Flores (A. Everett coll.). 



1 c?, 2 ? , 1 (sex ?) Dammer in the Banda Sea (H. Kiilin coll.) 



1 <?, 2 ? Great Banda (H. Kiihn coll.). 



4 ?, 1 juv., 1 pull. Toeal, Key (H. Kiihn coll.). 

 4 c?, 2 ? Teoor (H. Kiihn coll.). 



3 i, 1 sex ? Kilsoein, Koer Islands (H. Kiihn coll.). 



2 ? Kisoei (H. Kuhn coll.). 



2 Dobbo, Aru (C. Webster coll.). 



1 ? Dobbo, Am (H. Kiihn coll.). 



2 juv. Dobbo, Aru (Kiihn & Webster coll.). 



1 ? Trangan, Aru (H. Kiihn coll.). 



2 »? Giabu-lengau, Aru (Beccari coll.). 



1 Dorey, New Guinea (Powell coll.). 



4 Arfak (from Bruijn's hunters). 



2 Amberbaki (Laglaize coll.). 

 1 Mansinam (Beccari coll.). 



1 ? Has (Beccari coll.). 



1 $ Kapaur (AV. Doherty coll.). 



2 Nicura, British New Guinea (Lix coll.). 



1 juv. Sogeri district (British New Guinea ; nat. coll.). 



1 " Torres Straits " (purchased from Gerrard). 



1 said to be from Moroka district, 3000 to 6000 ft. (purchased in London). 



This last specimen appears to differ from all the rest of our M. dupcrrcyi by 

 having an almost naked throat and blackish feet and legs. It probably will prove 

 to be an undescribed mountain subspecies, but we dare not describe it from one 

 individual only. 



2. Megapodius duperreyi tumulus (ioukl. 



Differs from M. duperreyi duperreyi by its darker and more rufous upper- 

 surface. It inhabits North-Eastern Australia. 

 We have the following lu specimens : — 

 1 Cape York (Cockerell coll., j)er A. von Htigel). 

 1 Somerset, Cajie York (D'Albertis coll.). 



1 cf, 1 ?, 2 pull. Cedar Bay, North Queensland (A. S. Meek coll.). 

 I S Mount Sapphiri, Cairns (Olive coll.). 

 3 without exact locality. 



