A negative value of the coefficient means that the females exceed the males. The use of the cp sign throughout this paper indicates that the following figure is the standard, rather than the probable, error.

Dief^o Society of Natural History * Although listed as nos. 2105-6 in the report, both specimens were apparently catalogued under no. 2105. Klauber-Shovel-Nosed Snakes 147 Klauber, Laurence Monroe. 1951. "The shovel-nosed snake, Chionactis with descriptions of two new subspecies." Transactions of the San Diego Society of Natural History 11, 141-204.

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Crotalns triseriatus triseriatus (part) Klauber, Trans. San Diego Soc.