Lasiurus intermedius intermedius (H. Allen)

1862. Lasiurus intermedius H. Allen, Proc. Acad. Nat. Sci. Philadelphia, 14:246, "April" (between May 27 and August 1), type from Matamoros, Tamaulipas.

Geographic distribution.—Southern México (Yucatán, Chiapas and Oaxaca), northward along Gulf Coast to Rio Grande Valley of southern Texas (see Fig. 2).

Diagnosis.—Size medium (see measurements); sagittal crest present (height above braincase averaging 0.4 mm. in 12 from Brownsville, Texas); interorbital region relatively broad; M3 relatively broad (see comparisons in account of the Cuban subspecies beyond); mesostyle of M1 and M2 and 2nd commissure and cingulum of M3 large; pelage yellowish to yellowish-orange.

Comparisons.—See p. 79 and under accounts of Lasiurus intermedius floridanus and the Cuban subspecies.

External measurements.—Three adult males from the Sierra de Tamaulipas in Tamaulipas: Total length, 146, 136, 142; length of tail-vertebrae, 69, 67, 70; length of hind foot, 11, 11, 11; length of ear from notch, 17, 16, 17; length of forearm (dry), 53.2, 51.8, 51.9. Corresponding measurements for two adult females from 1 mi. SW Catemaco, Veracruz: 149, 155; 64, 69; 11, 12; 17, 17; 51.8, 55.2. Weight in grams of the Tamaulipan specimens, respectively: 24, 21, 24. For cranial measurements see Table 1.

Records of occurrence.—Specimens examined, 45, as follows: Texas: 55/8 mi. N Mission, 2 (Texas A & M); Santa Ana National Wildlife Refuge, 1 (USNM); Brownsville, 13 (4 AMNH; 1 Texas A & M; 8 USNM). Tamaulipas: Matamoros, 2 (USNM); Sierra de Tamaulipas, 1200 ft., 10 mi. W, 2 mi. S Piedra, 1 (KU); Sierra de Tamaulipas, 1400 ft, 16 mi. W, 3 mi. S Piedra, 2 (KU). Veracruz: 16 mi. SW Catemaco, 15 (KU). Oaxaca: Oaxaca, 1 (British Mus.). Chiapas: San Bartolomé, 1 (USNM). Yucatan: Tekom, 1 (Chicago Mus.); Izamal, 5 (USNM). Honduras: Río Yeguare, between Tegucigalpa and Danli, 1 (MCZ).

Additional records: Texas: Padre Island (Miller, 1897:118); Cameron County (ibid.). Oaxaca: Tehuantepec (Handley, 1960:478). Yucatan: Yaxcach (not found, Gaumer, 1917:274).

Lasiurus intermedius floridanus (Miller)

1902. Dasypterus floridanus Miller, Proc. Acad. Nat. Sci. Philadelphia, 54:392, September 12, type from Lake Kissimmee, Oceola Co., Florida.