I.L.C. 26: Memorandum on migration and the factors inducing it with regard to all phases, and methods of their study, with special reference to the type of meteorological maps likely to be of assistance by A.P.G. Michelmore
I.L.C. 29: Types of meteorological charts likely to be of assistance in the analysis of the factors affecting migration: new paragraphs 5 & 6 proposed by Dr C.E.P. Brooks
I.L.C. 29A: Types of meteorological charts likely to be of assistance in the analysis of the factors affecting migration: revised draft of new paragraphs 5 & 6
I.L.C. 31: Memorandum on research carried out under the auspices of the Italian Government on Dociostaurus maroccanus (Thunberg) and on Calliptamus italicus (Linnaeus) by Professor Filippo Silvestri, Professor of General and Agricultural Zoology, Royal Superior Institute of Agriculture, Portici, and Director of the Entomological Laboratory, Portici
I.L.C. 32: Types of meteorological charts likely to be of assistance in the analysis of the factors affecting migration: composition and terms of reference