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An Examination of incubation in its wider aspects based on Observation in North Cornwall

01 August 1943 Comments Main paper IT is my purpose here to examine the subject of incubation on a wider scale than in my first paper (antea, pp. 10-16). The present article must be regarded as a second chapter--or indeed a concluding chapter to the first. There I tried to draw the distinc... Read More

Notes

01 August 1943 Comments Notes As already briefly noted (antea Vol. xxxvi, p. 225) Crossbills (Loxia c. curvirostra) were reported in various districts in unusual numbers in the late summer and autumn of 1942. In response to our request, observers have sent information, details of whi... Read More

The index of Heron population, 1937

01 April 1938 Comments Main paper FOR the fourth year in succession* we were able in 1937 to keep accurate record of the fortunes of a large part of the breeding population of Herons {Ardea c. cinerea). It can hardly be said that the results have been dramatic. In England and Wales as a w... Read More

Letters

01 April 1938 Comments Letters SIRS,--Since a t one or two widely separated localities in t h e Midlands this bird appears t o be on t h e increase, a n d in places is actually re-establishing itself after years of absence, i t h a s been thought desirable t o hold a thorough inquiry i... Read More