An Introduction to Entomology: Vol. 3 / or Elements of the Natural History of the Insects

by William Kirby; William Spence

[1901] Ibid. t. iv. Gen. 47.

[1902] Ibid. t. v. Gen. 40.

[1903] Ibid. t. ii. Gen. 2.

[1904] This is a remarkable insect belonging to Vespa L., related to the hornets (V. Crabro), distinguished by having a semicircular piece taken out of the internal margin of each mandible, so that when these organs are closed there is a circular orifice,—whence the name Cyclostoma.

[1905] Jurine Hymenopt. t. ii. Gen. 2.

[1906] Ibid. Ord. ii. Gen. 2.

[1907] Ibid. t. iii. Gen. 3.

[1908] Ibid. t. v. Gen. 41.

[1909] Ibid. t. xii. Gen. 40.

[1910] Ibid. t. v. Gen. 39.