Gonium corrugatum Public domain scan of zoological print or book illustration, zoology, free to use, no copyright restrictions image - Picryl description
Gonium obtusangulum Public domain scan of zoological print or book illustration, zoology, free to use, no copyright restrictions image - Picryl description
Gonium pulvinatum
Gonium rectangulum Public domain scan of zoological print or book illustration, zoology, free to use, no copyright restrictions image - Picryl description
Stages of production of glass model of Gonium Title: The American Museum journal Identifier: americanmuseumjo15amer (find matches) Year: c1900-(1918) (c190s) Authors: American Museum of Natural History Subject More