قراءة كتاب Pipistrellus cinnamomeus Miller 1902 Referred to the Genus Myotis
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Pipistrellus cinnamomeus Miller 1902 Referred to the Genus Myotis
reveal intergradation between the two kinds. However that may be, there is no proof at present of such intergradation and the binomial is therefore used for the Cinnamon Myotis.
Specimens examined.—Total number, 10, all from Mexico, each a skin with skull except the skin-only from Sinaloa. Sinaloa: Esquinapa, 1 (Amer. Mus. Nat. Hist.). Guerrero: Papayo, 2 (U. S. Biological Surveys Collection). Veracruz: 20 km. WNW Piedras Negras, 3 (Mus. Nat. Hist., Univ. Kansas); 20 km. ENE Jesús Carranza, 200 ft. elevation, 3 (Mus. Nat. Hist., Univ. Kansas). Tabasco: Montecristo, 1 (U. S. Biological Surveys Collection).
Additional record.—Tabasco: Teapa, the holotype of Myotis lucifugus fortidens Miller and Allen 1928.
University of Kansas Museum of Natural History, Lawrence, Kansas. Transmitted October 31, 1949.
Cranial Measurements of Myotis fortidens
| No. | Sex Age | Locality | Greatest length | Condylobasal length | Zygomatic breadth | Interorbital constriction | Breadth of braincase | Mandible | Maxillary tooth-row | Maxillary breadth at M3 | Mandibular tooth-row | Wear of teeth |
| 25030 | ♂ | Esquinapa | .... | .... | ... | ... | ... | .... | ... | ... | ... | ? |
| 126650 | ♀ | Papayo | 15.0 | 14.2 | 9.7 | 3.9 | 7.1 | 11.5 | 5.5 | 5.6 | 6.0 | 0 |
| 126651 | ♀ | Do. | 15.1 | 13.8 | 9.4 | 3.8 | 6.8 | 10.6 | 5.6 | 5.9 | 6.0 | 0 |
| 17834 | ♂ | P. Negras[1] | .... | 4.1 | 10.6 | 5.6 | 5.7 | 6.0 | 0 | |||
| 17835 | ♀ | Do. | 15.5 | 14.9 | 9.6 | 4.2 | 7.2 | 11.0 | 5.7 | 6.0 | 6.1 | 2 |
| 17836 | ♀ | Do. | 15.5 | 14.5 | 9.7 | 4.2 | 7.3 | 10.9 | 5.4 | 5.9 | 5.7 | 3 |
| 32112 | ♂ | J. Carranza[2] | 15.3 | 14.4 | 9.7 | 4.1 | 7.3 | 11.5 | 5.7 |