[346]

Girschner, Berlin. ent. Zeitschr. xxxi. 1887, p. 155.

[347]

It may be well to remark that this name was formerly applied to all Diptera except Nemocera.

[348]

Zool. Anz. xvii. 1894, p. 35, and Ann. Nat. Hist. (6) xiii. 1894, p. 372; Zeitschr. wiss. Zool. lviii. 1895, p. 475.

[349]

Cf. Osten Sacken, Berlin. ent. Zeitschr. xxxviii. 1893; and Becher, Wien. ent. Zeit. i. 1882, p. 49. For an account of the condition, with diagrammatic figures, of the fly emerging from the pupa, cf. Sasatti, J. Coll. Japan, i. 1887. p. 34, pl. vi.

[350]

It is frequently said that one sex of a single species may be dimorphic in this respect, but we shall subsequently mention (in Blepharoceridae) that this is not yet sufficiently established.