House flies
Subtitle: (Musca domestica et al.).
Contributors: Howard, L. O. 1857-1950.
Publisher: s.n.
Published: 1898
Place of publication: [S.l
Language: eng
Subjects: Flies.
Notes: At head of title : United States Department of Agriculture, Division of Entomology.

Signed at end of text : L. O. Howard.

Caption title.