. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 486 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY porcatus congregate (up to 30 individuals) under palm fronds and exhibit no territoriality. Anolis allisoni Barbour AnoJis allisoni Barbour, 1928, p. 58; Euibal and Williams, 1961a, p. 183. Type locality. Coxen Hole, liuatan, Islas de la Bahia, off the north coast of Honduras. Definition. Similar to A. porcatus. However, it differs from that species in having an elongate ear opening, the posterior margin forming a longitudinal depression (Fig. 4). The tem- poral or postocul
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. 486 BULLETIN : MUSEUM OF COMPARATIVE ZOOLOGY porcatus congregate (up to 30 individuals) under palm fronds and exhibit no territoriality. Anolis allisoni Barbour AnoJis allisoni Barbour, 1928, p. 58; Euibal and Williams, 1961a, p. 183. Type locality. Coxen Hole, liuatan, Islas de la Bahia, off the north coast of Honduras. Definition. Similar to A. porcatus. However, it differs from that species in having an elongate ear opening, the posterior margin forming a longitudinal depression (Fig. 4). The tem- poral or postocular scales are smaller than in A. porcatus. In males the canthal ridges are higher than the frontal ridges. Males have the head and thorax blue when in the light color phase. Females are all green and show no blue color. Both sexes can change to dark brown. The dewlap is reddish or mauve. Females smaller than males, without a dewlap, and with a light middorsal stripe. Maximum snout to vent length, 6 , 75 mm. CANTHAL RIDGE. Figure 4. Head of a male A. allisoni. The elongate ear opening is show] Distributiovi. Though originally described from the Islas de la Bahia, this is a common species in central Cuba (Las Villas, Camaguey, and western lowland Oriente) and was until recently (Ruibal and Williams, 1961a) confused with and identified as A. porcatus. In central Cuba allisoni and porcatus are .sympatric and appear to occupy overlapping ecological niches. Where the two species are sympatric, allisoni is always the more abundant species. Besides I icing found on Islas de la Bahia, A. allisoni has also been collected on Half Moon Cay off the coast of British Hon- Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. : The Museum
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