A Text-book of Entomology / Including the Anatomy, Physiology, Embryology and Metamorphoses of Insects for Use in Agricultural and Technical Schools and Colleges as Well as by the Working Entomologist

by A. S. Packard

Kirby and Spence. Intr. to entomology, iii, 1828, p. 457.

De Geer. ii, 1778; v, 26, Fig. 11, M.

Kirby and Spence. Pl. xii, Fig. 2 K.

Latreille. Organisation extérieure des insectes, p. 184. (Quoted from Kirby and Spence.)

Savigny. Mémoires sur les animaux sans vertèbres. Partie I^re, 1816, p. 12.

Walter, Alfred. Beiträge zur Morphologie der Schmetterlinge. Erster Theil. Zur Morphologie des Schmetterlingsmundtheile. (Jena. Zeits., xviii, 1885, p. 752.)

Cheshire, F. R. Bees and bee-keeping, i, London, 1886, p. 93.

Joseph, Gustav. Zur Morphologie des Geschmacksorganes bei Inseckten. (Amtlicher Bericht der 50 Versammlung deutscher Naturforscher u. Artzte in München. 1877, pp. 227, 228.)

Dimmock, George. The anatomy of the mouth-parts and of the sucking apparatus of some Diptera, 1881. (Also in Psyche, iii, pp. 231–241, Pl. 1, 1882.)

Packard, A. S. On the epipharynx of the Panorpidæ. (Psyche, 1889, v, pp. 159–164.)