Vol. xxvii.] 40 



Dr. Ernst Hartert said that he fully agreed with 

 Mr. Jourdaia^s statements, and that the information re- 

 specting the Corsican form was at present insufficient to 

 warrant its separation. 



Mr. E. BiDWELL exliibited a photograph of fragments of 

 an egg of the Great Auk [Plautus impennis, L.), which, after 

 being for many years in the Museum at Dinan, had recently 

 been broken in pieces. 



Mr. P. F. Bun YARD exhibited : — 



1. A clutch of eggs of the Great Titmouse [Parus 

 major, L.) with an egg of the Cuckoo {Cuculus canorus, L.j, 

 taken at Hollington, Sussex, on the 17th of May, 1906, and 

 believed to be the only known record of the Cuckoo using 

 the nest of that species. 



2. A clutch of eggs of the Meadow-Pipit {Anthus 

 pratensis^ L.) vtith a Cuckoo's egg, the eggs of the foster- 

 parent having peculiar angular marks. 



3. A clutch of eggs and down of the Common Eider-Duck 

 (Somateria niollissima, L.) from a serai-albino female, taken 

 in Fife on the 11th of May, 1902. Both eggs and down 

 were abnormally pale. 



Mr. G. M. Mathews described a new subspecies of Shear- 

 water as follows : — 



PUFFINUS CHLOUORHYNCHUS IREDALI, Subsp. n. 



Differs from typical F. chlorurhynchus in its generally 

 larger size and darker colour, and in having a stronger lead- 

 coloured bill. 



The bill of P. chlororhynchus is flesh-colour with dark tips. 



The wing-measurements of the Kermadec bird are 315- 

 317 mm., and of the Australian form 277-285 mra. 



Hab. Sunday Island, Kerraadecs. 



Type No. 253, Coll. G. M. Mathews. 



