REPTILIA. 285 



Province of Oriente, Cuba. Now a comparison can be made of specimens taken 

 by us at Madruga, in the province of Matanzas, and at Matanzas itself, and 

 others taken by Dr. de la Torre at Matanzas and still others taken in central 

 Cuba by Messrs. F. M. Chapman and Barnum Brown of the American museum 

 in New York. These examples show that the species A. lucius is found in 

 central Cuba, viz., at Matanzas, Sierra de Jalibonico, Sancti Spiritus, Trinidad 

 and Madruga, and is very distinct from A. argenteolus, the type of which came 

 from Monte Verde, near Guantanamo in eastern Cuba. A notice of the dis- 

 tinctive character is given under the discussion of the next species. 



Anolis argenteolus Cope. 

 Cope, Proc. Acad. nat. sci. Phila., 1861, p. 213. 



There are specimens of this species in the collection from about the city of 

 Santiago de Cuba, collected by Major Wirt Robinson and by myself in 1908. 

 In 1913 we found that this species has a wide distribution in eastern Cuba, and 

 collected it in Cabo Cruz, Los Negros in Jiguani, Bueycito near Bayamo, and 

 from Monte Libano near Guantanamo. 



It may be distinguished at once from specimens of, or from Cocteau's 

 figure of, A. lucius by its coloration and form. It is a much more slender species, 

 having a very narrow head almost twice as long (from tympanic orifice to snout) 

 as broad, whereas A. lucius has a head barely once and a half times as long as 

 broad. In the former species the head, and especially the snout, is very depressed, 

 almost spatulate; this is not the case with A. lucius, in which the profile line 

 from top of head to tip of snout is simply a gently inclined plane surface. The 

 color of A. argenteolus is a more or less uniform ashy gray, with mottlings of 

 slightly darker gray. The dewlap is greenish white, the throat being pure white 

 in the male, and mottled with darker in the female. A. lucius is conspicuously 

 banded on the back with generally five distinct dark gray bars across an ashy 

 gray field. A broad white band is always present encircling the entire head. 

 This is very evident in life and passes along the lips and around the back of the 

 neck. There is a white spot invariably present on the occipital region, which is 

 not found in A . argenteolus. The two species are so different in habit and color- 

 ation as to perfectly easily distinguish them from a considerable distance when 

 they are observed in a wild state. 



It is a noteworthy fact that this and the preceding species are entirely 

 confined to cliffs of limestone rock. They are sometimes found upon trees 

 growing on or near the "paredones" but far more often upon the rock itself. 



