February 1938 – vol. 31, issue 9–296 bird-counts of the North Atlantic crossing have already appeared, and in these the significance of the figures has been fully discussed. The most comprehensive is by V. C. Wynne-Edwards (Proc. Boston Soc, Nat. Hist., Vol. XL., No. 4, pp. 233-346. January, 1935), who crossed eight times between May and September, 1933, and published the results in great detail. It is not proposed, therefore, in thi... This article is only available to registered users.To read more, please log in or purchase a subscription.