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Growth Fields in the Dentition of Peromyscus

Leigh Van Valen
Evolution
Vol. 16, No. 3 (Sep., 1962), pp. 272-277
DOI: 10.2307/2406276
Stable URL: http://www.jstor.org/stable/2406276
Page Count: 6
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Growth Fields in the Dentition of Peromyscus
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Abstract

Correlations between the lengths of different teeth are presented, together with correlations of width. The independence of M3 and M3 from the first two molars in length but not in width suggests the presence of a negative interaction; three tests of this hypothesis give positive results. A conflict between integration and negative interactions may be present in many related developmental systems. Growth fields in mammalian dentitions are reviewed.

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