The Baculum in Microtine Rodents

Name: The Baculum in Microtine Rodents
Author: Anderson, Sydney

Anderson, Sydney

Lemmings; Penis; Voles

40. _Microtus (Pitymys) parvulus_, UF 1508, 1 mi. W Micanopy, Florida.

41. _Microtus townsendii_, 79186, Sec. 33, T. 11S, R. 5W, Benton Co.,
Oregon.

42. _Microtus (Herpetomys) guatemalensis_, 65895, 2 mi. S San Juan Ixcoy,
Guatemala.

43. _M. guatemalensis_, 65921, 10 mi. E, 4 mi. S Totonicapan, Guatemala,
dorsal view of tip.

44. _Microtus oeconomus_, 43048, Kelsall Lake, British Columbia.

45. _Microtus (Chilotus) oregoni_, WBQ 3-C-248, 5 mi. N Orick,
California.

46. _Lagurus (Lemmiscus) curtatus_, 26053, 9 mi. S Robertson, Uinta Co.,
Wyoming.

47. _Microtus (Chionomys) nivalis_, 65127, Wetterstein, Germany,
orientation uncertain.

48. _Microtus (Chionomys) longicaudus_, 50253, Crane Flat, Mariposa Co.,
California.

49. _Neofiber alleni_, 27268, 2 mi. S Gainesville, Florida, orientation
uncertain.]

(_Microtus_) _provectus_ (the last three are probably insular derivatives
of _M. pennsylvanicus_), _M._ (_Microtus_) _fulviventer_ (perhaps derived
from the same stock as _Microtus mexicanus_), _M._ (_Microtus_)
_xanthognathus_ (perhaps related to _Microtus chrotorrhinus_), _M._
(_Microtus_) _coronarius_, and _M._ (_Pedomys_) _ludovicianus_.


SPECIES OF WHICH BACULA WERE EXAMINED

  Subfamily: Microtinae                              Number of Specimens
    Tribe: Lemmi
      _Dicrostonyx groenlandicus_ (Traill)                   4
      _Lemmus trimucronatus_ (Richardson)                    6
      _Synaptomys cooperi_ Baird                             5
    Tribe: Microti
      Genus: _Clethrionomys_ Tilesius, 1850
        _Clethrionomys rutilus_ Pallas                       4
        _Clethrionomys gapperi_ (Vigors)                     9
        _Clethrionomys occidentalis_ (Merriam)               1
        _Clethrionomys glareolus_ Schreber                   1
        _Clethrionomys rufocanus_ Sundevall                  1
      Genus: _Phenacomys_ Merriam, 1897
        _Phenacomys intermedius_ Merriam                     5
      Genus: _Ondatra_ Link, 1795
        _Ondatra zibethicus_ (Linnaeus)                      1
      Genus: _Microtus_ Schrank, 1798
        (_Herpetomys_) _guatemalensis_ Merriam               3
        (_Arvicola_) _richardsoni_ (DeKay)                   2
        (_Chilotus_) _oregoni_ (Bachman)                     3
        (_Stenocranius_) _gregalis_ (Pallas)                 1
        (_Stenocranius_) _miurus_ Osgood                     9
        (_Chionomys_) _longicaudus_ (Merriam)                6
        (_Chionomys_) _nivalis_ Martins                      2
        (_Microtus_) _arvalis_ (Pallas)                      1
        (_Microtus_) _orcadensis_ Millais                    1
        (_Microtus_) _guentheri_ Danford and Alston          1
        (_Microtus_) _fortis_ Büchner                        2
        (_Microtus_) _montanus_ (Peale)                     15
        (_Microtus_) _townsendii_ (Bachman)                  3
        (_Microtus_) _oeconomus_ (Pallas)                   10

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The Baculum in Microtine Rodents

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