John Thomas Gulick

John Thomas Gulick (1832–1923)

• Gulick, John Thomas (1905). Evolution: racial and habitudinal. Vol. 25. Washington, DC: Carnegie Institution of Washington. OCLC 62826820. Archived from the original on 2013-09-25. Retrieved 2013-09-21.
• Gulick, John T July 1873. On diversity of evolution under one set of external conditions.. Journal of the Linnean Society of London, Zoology, 11(56): 496–505. doi:10.1111/j.1096-3642.1873.tb01670.x. ISSN 1096-3642. http://onlinelibrary.wiley.com/doi/10.1111/j.1096-3642.1873.tb01670.x/abstract. Retrieved 2013-09-21. 
• Gulick, John Thomas September 1888. Divergent evolution through cumulative segregation.. Journal of the Linnean Society of London, Zoology, 20(120): 189–274. doi:10.1111/j.1096-3642.1888.tb01445.x. ISSN 1096-3642. OCLC 81568189. Archived from the original on 2013-10-01. https://web.archive.org/web/20131001100141/http://books.google.com/books?hl=en&lr=&id=eONaAAAAQAAJ&oi=fnd&pg=PA189. Retrieved 2013-09-21. 
• Gulick, J. T. 1872-06-18. Illustrated by The Achatinellinae. On the Variation of Species as Related to their Geographical Distribution. Nature (London, UK: Nature Publishing Group), 6(142): 222–224. doi:10.1038/006222b0. ISSN 0028-0836. OCLC 01586310. Archived from the original on 2013-09-25. https://web.archive.org/web/20130925151606/http://www.archive.org/stream/nature61872lock. Retrieved 2013-04-20. 
• Gulick, J. T.; Smith, Edgar A. 1873. Description of new Species of Achatinellinae. Proceedings of the Zoological Society of London (London, UK: Zoological Society of London): 73. ISSN 1469-7998. OCLC 818889019. 
• Gulick, J. T.; Smith, Edgar A. 1873. On the classification of the Achatinellinae. Proceedings of the Zoological Society of London (London, UK: Zoological Society of London): 89–91. ISSN 1469-7998. OCLC 818889019.