Philip W. Willink

Biological Assessment of the Terrestrial Ecosystems of the Foret Classee du Pic de Fon, Simandou Range, South-Eastern Republic of Guinea

A biological assessment of the aquatic ecosystems of the Pantanal, Mato Grosso do Sul, Brasil =

Function and variation of gill rakers in the fish family Catostomidae, with comments on phylogenetic tests of natural selection

Fishes of the Chicago Region