Contents

16 September 1966
Vol 153, Issue 3742

About The Cover

Beetle of the genus Eleodes assuming the headstand with which it characteristically responds to disturbance. The insect repels predators with a secretion containing guinone; the guinone is sprayed from the tip of its abdomen (actual body length, 2.5cm).See page 1341. [T. Eisner, R. Alsop, R. Silberglied, Cornell University]