The flies of western North America,
Cole, Frank R.
The flies of western North America, by Frank R. Cole with the collaboration of Evert I. Schlinger. - Berkeley, University of California Press, 1969. - x, 693 p. illus., col. plate. 29 cm.
68010687
Diptera--West (U.S.)
Diptera--Canada, Western.
QL535.1 / .C63
595.77
The flies of western North America, by Frank R. Cole with the collaboration of Evert I. Schlinger. - Berkeley, University of California Press, 1969. - x, 693 p. illus., col. plate. 29 cm.
68010687
Diptera--West (U.S.)
Diptera--Canada, Western.
QL535.1 / .C63
595.77