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UNIVERSITY OF KANSAS PUBLICATIONS MUSEUM OF NATURAL HISTORY

Volume 9, No. 15, pp. 397-404 December 19, 1958

New Subspecies of the Rodent Baiomys From Central America

ROBERT L. PACKARD

UNIVERSITY OF KANSAS LAWRENCE 1958

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, Henry S. Fitch, Robert W. Wilson

Volume 9, No. 15, pp. 397-404 Published December 19, 1958

UNIVERSITY OF KANSAS Lawrence, Kansas

PRINTED IN THE STATE PRINTING PLANT TOPEKA, KANSAS 1958

New Subspecies of the Rodent Baiomys From Central America

ROBERT L. PACKARD

For the loan of comparative material, I am grateful to the United States National Museum and the American Museum of Natural History . Unless otherwise indicated, specimens are in the University of Kansas Museum of Natural History. Measurements are as taken by Hooper . Postpalatal length is the distance from the posterior margin of the hard palate to the anterior margin of the foramen magnum. Unless otherwise noted, statistical significance as used in this paper is at the 95 per cent confidence limit or higher.

The two heretofore undescribed subspecies are characterized below and may be known as:

TABLE 1.--ANALYSIS OF VARIATION IN ADULTS OF FOUR SUBSPECIES OF BAIOMYS MUSCULUS

TABLE 2.--CRANIAL MEASUREMENTS OF ADULTS OF FOUR SUBSPECIES OF BAIOMYS MUSCULUS

Table headings: Col A: Occipitonasal length Col B: Zygomatic breadth Col C: Postpalatal length Col D: Least interorbital breadth Col E: Length of incisive foramena Col F: Length of rostrum Col G: Breadth of braincase Col H: Depth of cranium

Albert Alcorn wrote in his itinerary that some of the type series were taken shortly after lunch near a small creek, and that the specimens from 9 mi. NNW Esteli were trapped in wood piles and rock piles about dusk.

LITERATURE CITED

DALQUEST, W. W.

GOODWIN, G. G.

HOOPER, E. T.

OSGOOD, W. T.

Transcriber's Note Variations of spelling as presented in the paper have been retained

fuscus; fuscous foramen; foramena comayabuela; comayaguela

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