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Published online by Cambridge University Press: 31 May 2012
* Papers IX, X, XI, XII and the present one may be considered as contributions from the Division of Forest Insects, Bureau of Entomology, U. S. Department of Agriculture. In paper XII, Vol. 42, July, 1910, p. 242, it was stated that a paper on the subgenus Hoplocampa would be used as paper XIII. When the paper was completed it was found that it could be published in a series of technical papers of the Bureau of Entomology, and will appear as such.
(a) Genera Insect. fas. 29, 1906, p. 74.
(b) CAN. ENT., Vol. 39, Oct., 1909, p. 346 and 347.
(c) The matter of generic synonymy is treated more fully in a paper to be published shortly by the Bureau of Entomology.
(d) System. Nat. Ed. 10a I, 1758, p. 557, n. 14. April, 1911