. Bulletin. Natural history; Natuurlijke historie. 236 THE ORNITHOGEOGRAPHY OF THE YUCATAN PENINSULA United States and winters from the southern United States to Honduras and the Greater Antilles; throughout the Peninsula, including Isla Cozumel (Salvin, 1888); several resident races in the southern United States, Mexico, Central America, and the West Indies; various races, , the West Indian V. "crassirostris" complex, often considered of specific rank. Specimens. Quintana Roo—Chetumal, 1?, Nov. 17, 19, Nov. 25, 19, Dec. 17, 1$, Dec. 24, 1948, IS, Jan. 16, 1949, 1?, IS, Oct. 26,
. Bulletin. Natural history; Natuurlijke historie. 236 THE ORNITHOGEOGRAPHY OF THE YUCATAN PENINSULA United States and winters from the southern United States to Honduras and the Greater Antilles; throughout the Peninsula, including Isla Cozumel (Salvin, 1888); several resident races in the southern United States, Mexico, Central America, and the West Indies; various races, , the West Indian V. "crassirostris" complex, often considered of specific rank. Specimens. Quintana Roo—Chetumal, 1?, Nov. 17, 19, Nov. 25, 19, Dec. 17, 1$, Dec. 24, 1948, IS, Jan. 16, 1949, 1?, IS, Oct. 26, 1952; Bacalar, 19, Feb. 18, 19, Oct. 27, 1952; Ucum, 1?, Feb. 24, 1952; Tabi, 1?, Mar. 27, 1953. Yucatan—Xocem- pich, 1S, Nov. 10, IS, Dec. 16, 1949, 2?, Sept. 28, 19, Oct. 2, 19, Oct. S, IS, Oct. 4, 1950; Merida, 1 S, Oct. 6, 1950; Dzidzantiin, 1 S, Apr. 27, 1952. Campeche—Ichek, 19, Sept. 25, 1?, Sept. 26, 1950. Habitat. Second grov^th throughout the Peninsula. Remarks. This race, which arrives in late September and departs as late as the last week in April, is a common visitant. Weight. Two males and a female weighed , , and grams, respectively. VIREO GRISEUS SEMIFLAVUS Salviu. Vireo semiflavus Salvin, Zool. Soc. London, Proc, 31:188, 1863. (Peten, Guate- mala.) Range. The race ranges throughout the Peninsula, including Islas Holbox and Mujeres, and through Peten, British Honduras, Honduras, including Ruatan Island, to Nicaragua; no other race appears to be Habitat. Second growth throughout the region. Remarks. This resident race is local, but in regions where there has been considerable deforestation it is one of the most numerous species. Breeding. Cole (1906) recorded a nest with eggs on April 7, and I have records of breeding birds from May through June. Weight, Nineteen males ranged from to grams, with a mean of ± ; nine females from to grams, with a mean of ± Please note that these images are ex
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