title: John Cassin
text: # John Cassin
  
  John Cassin (Providence, 6 settembre 1816 – Filadelfia, 10 gennaio 1869) è stato un ornitologo statunitense, diventato famoso per avere descritto 198 specie di uccelli che erano sfuggite a Alexander Wilson e John James Audubon.
  
  ## Opere
  
  * Ornithology of the United States Exploring Expedition (Washington, 1845)
  * Illustrations of the Birds of California, Texas, Oregon, British and Russian America (1853-56).
  * Birds of Chile (1855)
  * Ornithology of Gillies's Astronomical Expedition to Chili (1855)
  * Ornithology of the Japan Expedition (1856)
  * Descriptions of all North American Birds not given by Former American Authorities (Philadelphia, 1858)
  * Explorations and Survey for a Railroad Route from the Mississippi to the Pacific Ocean (1858)
  * Birds of North America (1860), realizzato insieme a Baird e Lawrence.
  