Notes

01 November 1963 Comments Notes IT has long been known that, in the Common Crossbill (Loxia curvirostra) the mandibles cross indifferently on either side in different individuals. Recently, however, for a special purpose, I desired to ascertain whether or not individuals having the man...
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Notes

01 June 1963 Comments Notes IN August I received a letter from Mr. A. C. Theron dated from " Riet Vallei, District Lindley, O.F.S." stating that a Swallow had been captured bearing a ring with my name and address. As Mr. Theron gave neither the number of the ring nor the date of cap...
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