The butterflies of Montana
Subtitle: with keys for determination of species
By: by Morton John Elrod ... assisted by Frances Inez Maley, A. B.  A nature study bulletin, for the use of teachers, students and others who wish to study the butterflies ; with one colored plate, twelve plates in black and white, and one hundred and twenty-five figures.
Contributors: Maley, Frances Inez.
Series: University of Montana.  Bulletin ;; no. 30.  Biological series, no. 10
Publisher: University of Montana
Published: 1906
Place of publication: Missoula, Mont
Language: eng
Number of pages: 174
Subjects: Butterflies -- Montana
Notes: "Literature used in connection with this study" : p. 161-162.