The first portion of a classification of Cicindelidae by Dr. Walther Horn, Revision der Cicindeliden, Berlin, 1898, has appeared since this was written.
Natural History of aquatic Insects, 1895, p. 376.
Tr. Amer. ent. Soc. xv. 1888, p. 18.
Op. cit. v. 1881, p. 91; cf. Sharp, Tr. ent. Soc. London, 1882, p. 61.
P. ent. Soc. Washington, ii. 1892, p. 341.