10 
Pysche 
[February 
Literature. 
Holmes, S. J. 
The instinct of feigning death. Pop. Sci. Mon. LXXII, 
p. 179. (1908). 
Severin, H. H. P. and H. C. 
An experimental study of the Death-Feigning of Belostoma 
(—Zaitha Auct.) flumineum Say and Nepa apiculata 
Uhler. Behavior Monog, I, 20.3, 44 pps., 1 pi. (1911). 
