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Records of Harvest Mice, Reithrodontomys, from Central America, with Description of a New Subspecies from Nicaragua By: J. Knox Jones (1929-1992) |
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Volume 9, No. 19, pp. 519 529
January 14, 1960
Records of Harvest Mice, Reithrodontomys,
from Central America, with Description
of a New Subspecies from Nicaragua BY SYDNEY ANDERSON AND J. KNOX JONES, JR.
UNIVERSITY OF KANSAS
LAWRENCE
1960
UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY Editors: E. Raymond Hall, Chairman, Henry S. Fitch,
Robert W. Wilson Volume 9, No. 19, pp. 519 529
Published January 14, 1960
UNIVERSITY OF KANSAS
Lawrence, Kansas
PRINTED IN
THE STATE PRINTING PLANT
TOPEKA, KANSAS
1960 28 1279
Records of Harvest Mice, Reithrodontomys,
from Central America, with Description
of a New Subspecies from Nicaragua BY SYDNEY ANDERSON AND J. KNOX JONES, JR.
Since 1952 when Hooper's review of Latin American harvest mice was
published, collectors from the Museum of Natural History of the
University of Kansas have visited several countries in Central America,
and have obtained many additional specimens. Among these we find a new
subspecies of Reithrodontomys fulvescens from Nicaragua, significant
extensions of known geographic range for several other species, and
additional information on variation in some little known kinds.
Specimens in the Museum of Natural History of Reithrodontomys
mexicanus cherriei , Reithrodontomys tenuirostris , and
Reithrodontomys creper that are from within the geographic and
altitudinal ranges listed by Hooper (1952) are not included in this
report. All place names are on the map of Hispanic America published
by the American Geographical Society and can be located by
consulting the "Index to map of Hispanic America" (Vol. 1,
Geographical names in Central America, U. S. Government
Printing Office, Washington, D. C., 1943.) All measurements
cited are in millimeters. Support for field work was provided by the Kansas University
Endowment Association. Support for the laboratory phases of
the work came in part from a grant from the National Science
Foundation. Most of the specimens herein reported were
collected by James W. Bee in late 1954 and early 1955, and
by J. R. Alcorn and A. A. Alcorn in 1955 and 1956. A few
that were collected earlier by other persons are mentioned.
We are indebted to the following individuals for the loan of
specimens in their care: R. G. Van Gelder, American Museum
of Natural History; Philip Hershkovitz, Chicago Natural
History Museum; W. H. Burt and E. T. Hooper, Museum of
Zoology, University of Michigan; and D. H. Johnson and C. O.
Handley, Jr., U. S. National Museum. ~ Reithrodontomys sumichrasti australis ~ J. A. Allen. Seven specimens
from the vicinity of Volcan Irazú, Cartago, Costa Rica, are from within
the geographic and altitudinal range recorded for the subspecies by
Hooper (1952:82). One female, KU 26967, trapped on March 2, 1947, on the SW slope of
Volcan Irazú, 8500 ft., contained five embryos that were 17 mm. in
crown rump length. ~ Reithrodontomys sumichrasti dorsalis ~ Merriam. A total of 93
females are among 195 specimens from 24 localities in Guatemala that
lie within the geographic and altitudinal range recorded by Hooper
(1952:78) for dorsalis . Two females were pregnant; KU 71363, taken on January 28, 1956, 7 mi.
E, 2 mi. S La Unión, Quetzaltenango, Guatemala, contained three embryos
that were 7 mm. in crown rump length, and KU 65245, taken on December
15, 1954, 1 mi. NE Nebaj, 6000 ft., El Quiche, Guatemala, contained
four embryos that were 15 mm. in crown rump length. These two females
were the only pregnant ones among 36 taken in December, 23 in January,
1 in February, 19 in March, 5 in April, and 9 in August. ~ Reithrodontomys fulvescens chiapensis ~ Howell. GUATEMALA. Baja
Verapaz: 1/2 mi. N, 1 mi. E Salamá, 3200 ft., 1 (KU 65378 January 28,
1955); 1 mi. S Rabinal, 3450 ft., 4 (KU 65379 82 January 29, 1955); 5
mi. N, 1 mi. W [Santa Cruz] El Chol, 6000 ft... Continue reading book >>
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