Journal issue

Hemming, F. 1958. Volume 19. Part 1. Pp. 1-44. Opinion 516 Determination under the Plenary Powers of the relative precedence to be assigned to certain works on the Order Lepidoptera (Class Insecta) published in 1775 by Pieter Cramer, Michael Denis & Ignaz Schiffermüller, Johann Christian Fabricius, Johann Casper Fuessley, and S. A. von Rottemburg respectively. Ops. Decls. int. Comm. zool. Nomencl., 16 May 1958: [1]-44. ≡