[466]

Ent. Nachr. xxii. 1896, p. 173.

[467]

Zool. Anz. 1897, No. 527, p. 73.

[468]

Arch. Anat. Physiol. 1874, p. 313, and 1875, p. 309.

[469]

For the structure and development of the Hemipterous trophi, see Mayer, Arch. Anat. Physiol. 1874 and 1875; Mecznikow, Zeitschr. wiss. Zool. xvi. 1866, p. 389; Geise, Arch. Naturgesch. xlix. 1, 1883, p. 315; Wedde, op. cit. li. 1, 1885, p. 113; Mark, Arch. mikr. Anat. xiii. 1877, p. 31: Smith, Tr. Amer. Phil. Soc. xix. 1896, p. 176.

[470]

Ent. Nachr. xix. 1893, p. 369.