On a new species of Nymphon from the waters of Southern California /
Hedgpeth, Joel W.
On a new species of Nymphon from the waters of Southern California / by Joel W. Hedgpeth - Notre Dame Ind. : University press, 1941 - 447-449 p. : ill. ; 26 cm - The American Midland Naturalist ; 25 .
On a new species of Nymphon from the waters of Southern California / by Joel W. Hedgpeth - Notre Dame Ind. : University press, 1941 - 447-449 p. : ill. ; 26 cm - The American Midland Naturalist ; 25 .