37296. Royal Society of South Africa.   Transactions of the Royal Society of South Africa : Contains articles on Ocean Ridges and Mantle Convection, Amino Acids, Amphibian Metabolism, Maize, Neuro-Transmision Human Disease, Pleistocene Palaeogeography, and much more.   Royal Society of South Africa, 1973, Transactions of the Royal Society of South Africa, 40 (5) : 335-404, with figures and plates.   Printed wraps, minor signs of use and age, very good condition.    $9.00