[526]

Ent. Zeit. Stettin, xxxvi. 1875, p. 368.

[527]

Zool. Anz. xv. 1892, p. 220.

[528]

Arb. Inst. Wien, iv. 1882, Heft iii. p. 397; see on this organ also Mordwilko, Zool. Anz. xviii. 1895, p. 357.

[529]

Biol. Centralbl. xi. 1891, p. 193.

[530]

See, inter alia, Webster, J. New York ent. Soc. i. 1893, p. 119.