Keywords: field columbian museum chicago blackandwhite monochrome black and white Fossil skull, portion of jaws with teeth of Ichtyosaur, Ichthyosaurus communis Corybeare. Early Jurassic. On exhibit at Field Columbian Museum. 1905. Original size and material: 6 1/2 x 8 1/2 inch glass negative Digital Identifier: CSGEO16171 Part of the Illinois Urban Landscapes Project: www.fieldmuseum.org/urbanlandscapes/ Fossil skull, portion of jaws with teeth of Ichtyosaur, Ichthyosaurus communis Corybeare. Early Jurassic. On exhibit at Field Columbian Museum. 1905. Original size and material: 6 1/2 x 8 1/2 inch glass negative Digital Identifier: CSGEO16171 Part of the Illinois Urban Landscapes Project: www.fieldmuseum.org/urbanlandscapes/ |