Systematics of the Genus Rhogeessa (Chiroptera: Vespertilionidae) (Classic Reprint) - Softcover

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Excerpt from Systematics of the Genus Rhogeessa (Chiroptera: Vespertilionidae)

Penes were removed from 89 of the males examined, and cleared and stained to reveal the bacula, using Anderson's (1960) method. Bacula were measured with an ocular micrometer.

All data recorded were punched on ibm cards, and statistical analyses performed on the CE 635 computer at the University of Kansas Computation Center. Although t-tests performed between the sexes indicated a significant level of sexual dimorphism for some measurements at some localities, the small sample sizes prevalent in this genus made separation of the sexes impractical. Samples usually contained a fairly well-balanced proportion of the two sexes, which would tend to offset any possible bias due to sexual dimorphism.

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