Biol. Centralbl. xiv. 1894, p. 53.

[62]

Forel's latest views on this subject will be found in the Ann. Soc. ent. Belgique xxxvii. 1893, p. 161; the very valuable paper by Emery, in Zool. Jahrb. Syst. viii. 1896, p. 760.

[63]

Ann. Soct. ent. France, 1893, p. 467.

[64]

Ann. Soc. ent. France, 1893, Bull. p. cclxiv.

[65]

Forel, J. Bombay Soc. viii. 1893, p. 36.

[66]