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Differences in the Egg Complement of Hadropterus scierus from Austin and San Marcos

Clark Hubbs and Martha V. Johnson
The Southwestern Naturalist
Vol. 6, No. 1 (Jun. 10, 1961), pp. 9-12
DOI: 10.2307/3669362
Stable URL: http://www.jstor.org/stable/3669362
Page Count: 4
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
Differences in the Egg Complement of Hadropterus scierus from Austin and San Marcos
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Abstract

Eggs of Hadropterus scierus from near Austin, Texas, are smaller and more numerous than those from near San Marcos. The increased egg diameter correlates directly with intensity of interspecific competition and correlates inversely with intraspecific competition.

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