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

C. E. Beecher

doi:10.2475/ajs.s4-6.32.125

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Beecher, C. E. (1898). Origin and Significance of Spines; a Study in Evolution [Part II]. American Journal of Science, s4-6(32), 125–136. https://doi.org/10.2475/ajs.s4-6.32.125

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