A monograph of the geometrid moths of Phalænidæ of the United States /
Packard, A. S. 1839-1905.
A monograph of the geometrid moths of Phalænidæ of the United States / by A. S. Packard. - Washington : Gov't print. off., 1876. - 607 p. : ill. ; 31 cm. - Report of the United States geological survey of the territories ; 10 .
A monograph of the geometrid moths of Phalænidæ of the United States / by A. S. Packard. - Washington : Gov't print. off., 1876. - 607 p. : ill. ; 31 cm. - Report of the United States geological survey of the territories ; 10 .