College zoology
Hegner, Robert W.(Robert William)1880-1942.
Stiles, Karl A.(Karl Amos)1897-1968.
Boolootian, Richard A.(Richard Andrew)1927-
New York Macmillan (N.Y.) London Collier-Macmillan
1969
Previous ed., by Robert W. Hegner, Karl A. Stiles. 1959
bibl
Zoology.