Letters

01 January 1968 Comments Letters Little or White-rumped Swift ? Sirs,---The interesting article by I. J. Ferguson-Lees on Apus affinis {Brit. Birds, 60: 286-290) prompts me to raise two points. The first is the choice of the vernacular name 'White-rumped Swift' in preference to that of '...
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Diving times of grebes

01 January 1968 Comments Main paper During August to October 1966 I made regular observations on the diving of the Pied-billed Grebe Podilymbus podkeps which lived in a well-defined territory on the west side of Chew Valley Lake, Somerset (Ladhams, Prytherch and Simmons 1967). The results p...
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