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قراءة كتاب A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico

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A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico

A New Subspecies of the Fruit-eating Bat, Sturnira ludovici, From Western Mexico

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دار النشر: Project Gutenberg
الصفحة رقم: 4

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Maximum 46.0 24.2 13.8 ..... 6.7 7.0 ..... near Gualea, Ecuador 67328 AMNH, ♂2 ..... 25.0 14.0 12.4 6.3 ..... 8.4 67329 AMNH, ♂ 45.3 24.9 13.9 12.2 6.1 7.0 8.4

 

1 Holotype of Sturnira hondurensis (measurements after Goodwin, 1940:2).

 

2 Holotype of Sturnira ludovici ludovici (measurements after Anthony, 1924:9).

 

Other specimens of S. l. occidentalis were taken under the following circumstances: 17 km. SE Talpa, Jalisco (night of November 3-4, 1962)—nine individuals netted over the Río Mascota in "pine-oak zone" along with representatives of S. l. parvidens, Artibeus toltecus, Chiroderma salvini, Eptesicus fuscus miradorensis, Lasiurus borealis teliotis, and Rhogeëssa gracilis; 20 km. WNW Purificación, Jalisco (night of November 20-21, 1962)—two specimens captured in a mist net stretched beneath branches of a fig tree at the edge of the Río Jicote in which Glossophaga commissarisi, S. l. parvidens, Artibeus turpis nanus, and Artibeus lituratus palmarum also were taken; 4 km. N Durazno, Jalisco (nights of November 21-22 and 22-23, 1961)—11 specimens, of which 10 were females, netted in company with G. s. leachii, S. l. parvidens, A. j. jamaicensis, A. toltecus, Centurio senex, and L. b. teliotis over a stream in a small canyon that supported "fairly dense stands of very tall deciduous trees." Five of the 10 females from 4 km. N Durazno were pregnant; each contained a single embryo. Crown-rump length of the embryos averaged 26.8 (24-30) mm. No gross reproductive activity was evident in other females of S. l. occidentalis collected.

Map showing distribution in North America

Fig. 1. Distribution of Sturnira ludovici in North America. 1. S. l. ludovici.
2. S. l. occidentalis.

Specimens examined.—A total of 26, arranged from north to south, as follows: Durango: ½ mi. W Revolcaderos, 6600 ft., 2 (MSU); 6 mi. S Pueblo Nuevo, 3000 ft., 1 (MSU). Sinaloa: Plumosas, 2500 ft., 1 (the holotype). Jalisco: 17 km. SE Talpa, 5200 ft., 9; 20 km. WNW Purificación, 1400 ft., 2; 4 km. N. Durazno, 11.

Specimens of S. l. ludovici used in comparisons included a paratype (AMNH) from near Gualea, Ecuador, a specimen from Mindo, Ecuador, two specimens from La Cruz Grande, La Paz, Honduras (AMNH—paratypes of "Sturnira hondurensis"), and the following from México: 10 mi. SW Villa Juárez, 4850 ft., Puebla, 2; 11 km. W Quiroga,

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