[321]

Tr. Linn. Soc. xx. 1851, p. 433.

[322]

Bull. Soc. ent. France (4), viii. 1868, p. xxxvii.

[323]

Zool. Anz. iii. 1880, p. 304.

[324]

Stettin. ent. Zeit. xxxviii. 1877, p. 487.

[325]

Morphologie des Tracheensystems, Helsingfors, 1877, p. 21.