The pleural and sternal sclerites of the lepidopterous thorax. :
A contribution to the revision of the genus Pyrgus in America (Lepidoptera, Hesperidae). The effect of hydrogen ion concentration upon the toxicity of nicotine, pyridine, and methylpyrrolidine to mosquito larvae.

Description

Main Author

Shepard, Harold Henry, 1898-

Language(s)

English

Published

[Place of publication not identified] : [publisher not identified], 1931.

Subjects

Lepidoptera > Lepidoptera / Anatomy.

Physical Description

40 [vi] 98, 78 leaves : illustrations, append. ; 28 cm

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