The Origin and Significance of Spines; a Study in Evolution [Part III]

C. E. Beecher

doi:10.2475/ajs.s4-6.33.249

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Beecher, C. E. (1898). The Origin and Significance of Spines; a Study in Evolution [Part III]. American Journal of Science, s4-6(33), 249–268. https://doi.org/10.2475/ajs.s4-6.33.249

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