3 APRIL 1959, Page 24

SIR,—While entomologists may not be puzzled by Leslie Adrian's oscillations

of biological status, they might well occupy their minds on Peter SingletZio- Gates's oscillation between WI and SW10. Or is this problem one for the hagiographer accustomed to the phenomenon of bi-location?---Yours faithfully,

Worcester College:Oxford

KEVIN MI I AND

[Mr. Singleton-Gates's name was through error printed at the bottom of Dr. Murdo Mackenzie s letter, though in the index the letter 'was correatly attributed to Dr. Mackenzie.—Editor, Spectator.]