The sense organs on the mouth-parts of the honey bee,

"Literature cited": p. 52-54.

The male genitalia of orthopteroid insects.

Mode of access: Internet.

The skeletal anatomy of fleas (Siphonaptera) /

Bibliography: p. 70-73.

The metamorphosis of a fly's head.

Mode of access: Internet.

The feeding apparatus of biting and disease-carrying flies.

Mode of access: Internet.

Smithsonian miscellaneous collections.

Description based on: Vol. 4, published in 1862.

Report of the director and chief inspector of the Bureau for the Safe Transportation of Explosives and other Dangerous Articles.

Mode of access: Internet.

Monographs of the Diptera of North America /

Part 2 by H. Loew, edited by R. Osten Sacken (dated Jan. 1864); pt. 3 by H. Loew (dated Dec. 1873); pt. 4 by R. Osten Sacken (dated Jan. 1869)

Catalogue of the described Diptera of North America.

"... Not merely a new edition ... but an entirely new work."--Advertisement.

Revision of the North American Empidæ--a family of two-winged insects.

From the Proceedings of the United States National Museum, vol. XVIII, p. 387-440.

A catalogue of scientific and technical periodicals,

5,105 titles, including titles of some periodicals established in 1883 (p. 601-615)

Smithsonian contributions to knowledge.

Mode of access: Internet.

The biotic associations of cockroaches,

Index: p. 441-470.

The feeding apparatus of biting and sucking insects affecting man and animals.

Mode of access: Internet.

The abdominal mechanisms of a grasshopper,

Publication 3335.