March 1967 – vol. 60, issue 3–141 Formation of ECHO Institute.--ECHO (L'Institut pour l'Ettregistrement et Etudes des cnants et Cfis d'oiseaux) is a non-profit-making, scientific body recently formed on the initiative of J.-C, Roche for the recording and study of bird voice. One of its objects will be to publish annually a 'Sound Guide' covering a selected part of the Old World and containing up to ten or more discs. The first of these... This article is only available to subscribed users.To read more, please log in or purchase a subscription.