J. H. Paine.
Note on Linognathus forficula Kellogg and Paine.
Psyche 21(4):117, 1914.

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19141 Field-Hybrid Butterflies of the Genus Basilarchia 117 The accompanying plate shows a male and a female of pro- serpina, and two males of arthechippus, chosen from the two series just described. These specimens, with others more worn and disfigured by their prolonged detention in the breeding cages, are in the Museum of Comparative Zoology at Harvard University. The tattered remains of the parents of both broods will be found in the same case.
Publication of this record has been delayed in the hope of ob- taining new hybrids and breeding them to further generations; but though success seemed very close in the experiments of 1912 and 1913, no progress has been made. The work has been resumed with abundant material, and the present summer may witness some definite results. At all events, the hybrid character of arthe- chippus and proserpina is now established; and observations already published (Field, 1910) make it clear that proserpina will at least breed with one of the parent species. Increased interest thus attaches to the butterflies of this always interesting genus.
BIBLIOGRAPHY.
Bateson, W.
1913. Problems of Genetics. New Haven: Yale University Press. Field, W.'L. W.
1904. Problems in the genus Basilarchia. PSYCHE, xi, 1-6, 3 pi. 1910. The offspring of a captured female Basilarchia proserpina. PSYCHE,
xvii, 87-89, 1 pi.
Scudder, S. H.
1889. The Butterflies of the Eastern United States and Canada, with special reference to New England. Cambridge: published by the author. NOTE ON Linognathus fmficula KELLOGG AND PAINE. Through recent correspondence with H. Fahrenholz of Hannover, Germany, an active worker with the Anoplura, the writer has received information which con- cerns the nomenclature of Linognathus fmficula, described by Kellogg and Paine from Cervicapra arundinum.1 The generic position of Rudow's Hmnatopinus forficdus has, on account of an insufficient description, been considered doubtful. However, Fahrenholz has come into possession of a series of specimens of Rudow's species which reveals the fact that it must be placed in the genus Linognathus. The name L. fwficula, therefore, as applied to Kellogg and Paine's species, must give way, on account of priority, and is herewith substituted by the name Linog- nathus fahrenholzi. J. H. PAINE.
IKellogg, V. L. and Paine, J. H.
Anoplura and Mallophaga from African Hosts; Bull. Ent. Research, Vol. 11, p. 147, July, 1911. 2 Rudow, Zeitschr. f. gew. Naturw. Vol. 34, p. 169 (1869).



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