A Monograph of the Trilobites of North America: with Coloured Models o 66333 [Full title: A Monograph of the Trilobites of North America: with Coloured Models of the Species] [Full author's name: Jacob Green] [author: Jacob Green] [Link: https://www.gutenberg.org/6/6/3/3/66333] [Files: 66333-0.txt; 66333-h.htm] Thanks to Tom Cosmas produced from materials made available at The Internet Archive and placed in the Public Domain. Regards, Jacqueline