Ann. Soc. ent. France (5), vi. 1876, p. 201.
Phil. Trans. lxxi. 1781, pp. 139-192.
Ann. Nat. Hist. (2) v. 1850, p. 92.
Dr. G. D. Haviland informs the writer that he thinks it probable this so-called peristaltic movement is merely the result of alarm; he has not, however, had any opportunity of observing T. bellicosus.
Tr. N. York Ac. viii. 1889, pp. 85-114; and ix. 1890, pp. 157-180.