Maynard M Metcalf

The Anatomy And Development Of The Eyes And Sub-Neural Gland Of Sulpidae

An Outline Of The Theory Of Organic Evolution: With A Description Of Some Of The Phenomena Which It Explains

The Anatomy And Development Of The Eyes And Sub-Neural Gland Of Sulpidae

An Outline Of The Theory Of Organic Evolution: With A Description Of Some Of The Phenomena Which It Explains

Reprint From "Biological Bulletin" Vol. 1 N°1

Smithsonian Institution United States National Museum Bulletin 120- The Opalinid Ciliate Infusorians