Letters

01 December 1956 Comments Letters I N T E R P R E T A T I O N O F V A R I A T I O N AMONG T H E YELLOW WAGTAILS S I R S , -- May I ask a little of your space in which to comment on some points in Dr. Mayr's summing-up (antea, pp. 115-119) of our present state of knowledge of the Yellow Wa...
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Notes

01 April 1951 Comments Notes T H E following notes, made on a colony of Rooks (Corvus frugilegus) in a Cambridge street during March, 1949, have been prompted by Mr. C. M. Ogilvie's article on this subject (antea, pp. 1-5). This rookery, comprising only five pairs, was a new one, pr...
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Notes

01 September 1928 Comments Notes " RINGERS " are requested to send in to the Editor, not later than October 1st, their schedules, together with a list showing the number of each species ringed. BLUE-HEADED WAGTAIL BREEDING IN NORTH ENGLAND. IT was so long ago as 1869-70 that Motacilla f...
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