H. Purvis

Response of spawning-phase sea lampreys (Petromyzon marinus) to a lighted trap

V. Dawson, E. L. King, H. Purvis, 1985 .

Growth, age at metamorphosis, and sex ratio of northern brook lamprey in a tributary of southern Lake Superior

H. Purvis, 1970 .

VARIATIONS IN GROWTH , AGE AT TRANSFORMATION , AND SEX RATIO OF SEA LAMPREYS REESTABLISHED IN CHEMICALLY TREATED TRIBUTARIES OF THE UPPER GREAT LAKES

H. Purvis, 2000 .

Effects of Temperature on Metamorphosis and the Age and Length at Metamorphosis in Sea Lamprey (Petromyzon marinus) in the Great Lakes

H. Purvis, 1980 .

Giant American brook lampreys, Lampetra lamottei, in the upper Great Lakes

P. Manion, H. Purvis, 1971 .