
Anonyme, Chocolat Kwatta. Zoologie, circa 1950.

Anonyme, Chocolat Kwatta. Zoologie, circa 1950.
Johann Loeser, Animal Behaviour, Ill. Erna Pinner, Londres, MacMillan & Co., 1950, p. 25.
B.D. Moreton, Guide to British Insects, An Aid to Identification, Londres, MacMillan & Co, 1950,
p. 97-99.
Leon A. Hausman, Fresh-Water Life, New York, G.P. Putnam’s Sons, 1950, p. 69.
Léon Bertin, La vie des animaux, tome premier, Paris, Larousse, 1949, p. 225-226.
George Leonard Herter, Professional Fly Tying and Tackle Making, Manual and Manufacturer’s Guide, Waseca (Minnesota), The Brown Publishing Company, (1941) 1949, p. 179.
George W. Hunter & F. R. Hunter, College Zoology, Philadelphie-Londres, W. B. Saunders, 1949, p. 310.
Bug Trouble
Chicago : Mrs. L. Hertzbert usually has a clean sidewalk in front of her restaurant. Last night (7/12), however, millions of pond flies (caddis flies) flew in front Lake Michigan and headed in her direction. She is sweeping up the dead insects which were attracted by electric lights.
Chicago Bureau, 13 juillet 1949.
W. Aspen, W. Brown, W. Flower, J. S. Rowland, & L. J. Wolff, The Nature Lover’s Companion, Londres, Odhams Press, 1949.
George E. Hyde, A Pocket-Book of British Insects, Londres, Adam & Charles Black, 1949, p. 118.
Georges Bourreil & Eugène Lasnier, Sciences Naturelles, Zoologie-Botanique, Classe de Cinquième, 2° Année des Cours complémentaires, Paris, Magnard, 1948, p. 80.
Norman Wymer, In nature’s workshop, Londres, Harrap, 1948, pp. 69-76.
Eilen Mayo, The Story of Living Things and their Evolution, Londres, The Waverley Book, 1948,
p. 206.
M. Oria, Sciences Naturelles, Zoologie-Botanique, Classes de Cinquième, Paris, Hatier, 1948,
pp. 56-57.