Raphael W.
Pumpelly

U. S. Geological Survey




Reinhard Joh.
Blum

Heidelberg University (Chemistry Tree)


Heinrich
Fischer

Universität Freiburg




Ferdinand André
Fouqué

College de France


Alfred Antoine François
Lacroix

Muséum d'Histoire Naturelle




Henry Bradford
Nason

RPI (Marine Ecology Tree)


Alexander
Winchell

Vanderbilt (Terrestrial Ecology Tree)




Ferdinand
Tiemann

Universität Berlin (Chemistry Tree)


Julius
Stieglitz

Chicago (Chemistry Tree)




Henry Bradford
Nason

RPI (Marine Ecology Tree)


Alexander
Winchell

Vanderbilt (Terrestrial Ecology Tree)




Rollin D.
Salisbury

Chicago (GeograTree)



Robert S
Dietz

UCSD
(Options)


Donald R.
Lowe

Stanford (Chemistry Tree)

Robert DietzX