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BRETT, J. R., AND D. F. ALDERDICE. 1958. The resistance of cultured young chum and sockeye salmon to temperatures below 0? C. Jour. Fish. Res. Bd. Canada 15:805-13. BROWN, W. H. 1955. Egg production of the fish Hadropterus scierus apristis in San Marcos River, Texas. Copeia 1955:149-50. EMBODY, G. C. 1934. Relation of temperature to the incubation periods of eggs of four species of trout. Trans. Am. Fish. Soc. 64:281-92. HUBBS, C. 1960. Duration of sperm function in the percid fishes Etheostoma lepidum and E. spectabile, associated with sympatry of the parental populations. Copeia 1960:1-8. 1961. Differences in the incubation period of two populations of Etheostoma lepidum. Copeia (2). AND G. E. DREWRY. 1960. Survival of F, hybrids between cyprinodont fishes, with a discussion of the correlation between hybridization and phylogenetic relationship. Publ. Inst. Mar. Sci. U. Texas 6:81-91. |
