XXXIV 



pusilla, Turdus fuscatus, Geocichla sibirica (probably), and 

 Stercorarius pomatorhinus, the eggs of the last-named bird 

 being almost the first authentic ones ever shown. Mr. Popham 

 also showed the eggs of the "Wood-Sandpiper laid in an old 

 Fieldfare^s nestj with a specimen of the bird shot therefrom. 



Mr. J. G. MiLLAis exhibited a male Phasianus colchicus 

 assuming female plumage, an extremely rare occurrence. 

 He also showed a Wigeon [Mareca penelope) and some 

 Common Redstarts {Ruticilla phoBnicura) in which the same 

 phenomenon was apparent. 



Mr. John "Whitehead, who was warmly welcomed by the 

 Members on his return from his successful expedition to the 

 Philippines^ gave an account of his travels in Luzon. 



Mr. Whitehead also described a new Fruit-Pigeon from 

 the highlands of Negros, as follows : — 



Ptilocolpa nigrorum, n. sp. 



Similis P. griseipectori (Bp.), sed plaga prcepectorali nigra, 

 nee cinerea, facile distinguenda. Long. tot. 13"0 poll., 

 alee 8"3, caudae 4*8, tarsi 0'85. 

 Hab. Negros, Philippine Archipelago. 

 The adult female was shown to be similar to the female of 

 P. griseipectus. The soft parts were as follows : — " Base of 

 bill coral-pink, tipped with dull white ; iris pale straw- 

 yellow; feet coral-pink.'" 



]Mr. Hugh W^ahrand exhibited a specimen of Perdlx 

 montana, shot by Mr. Peacock Edwardes in Nairnshire. 



Mr. Ogilvie Grant exhibited the female of the Luzon 

 Hemipode [Turnix whiteheadi). 



Mr. ScLATER explained two new technical terms, '' Topo- 

 morph ^^ and " Lipomorph,^'' which he had recently used in 

 his papers on geographical distribution. He proposed to 

 denominate natural groups that were restricted to limited 

 districts — and therefore characteristic of them by their 

 presence — as " Topomorphs,^' and those natural groups that 



