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Migration at station "Juliett" in September 1959

01 January 1975 Comments Main paper ... Read More

Letters

01 May 1963 Comments Letters S I R S , -- I n t h e article on Incubation, b y Mr, Erie B. Dunlop (antea, p. 109), t h e writer s a y s : " Another bird which rears few young compared to t h e number of eggs it lays is t h e Great-erested Grebe. Four or five eggs are very frequently ... Read More

The Sequence of Plumages of the Rook, With Special Reference to the Moult of the " Face."

01 May 1963 Comments Main paper I T has always been a disputed point as to whether the Rook (Oorvus f. frugihgus) gets its bare " face " by means of abrasion of the feathers or by a moult. Most ornithologists have favoured the moult theory or have regarded it as a " natural peculiarity.... Read More

Letters

01 May 1960 Comments Letters Migrations of the Oystercatcher Sirs,--Since Mr. D . G. Andrew in his recent paper {Brit. Birds, 5 2: 216-220) on the migrations of the Oystercatcher (Haematopus ostrakgus) makes some criticism of my earlier paper on the same subject (Brit. Birds, 50: 519... Read More