THE widespread use of the two new insecticides D.D.T. and ‘Gammexane’ (gamma isomer of benzene hexachloride) has led to considerable interest being taken in their possible toxic effect upon ...

In this communication, ‘Gammexane’ refers to the gamma (y) isomer of benzene hexachloride, and references to other authors' work are interpreted in terms of the gamma isomer so far as that is ...