Amphibians and Reptiles from Porto Rico and the Virgin Islands. 9 



readily serve to distinguish it from the common Anolis cristatellus. The 

 present new form presents a considerable resemblance to Anolis monensis 

 Stejneger (known only from Mona Island) in the larger scales and rather 

 uniform coloration, though it has small post-rictal scales like its near ally 

 Anolis cristatellus. 



Named for Dr. Alfred G. Mayer, of the Carnegie Institution of Washington. 



Anolis gundlachii Peters. 



Eight examples, the largest 176 mm. in total length, from a small settle- 

 ment up the Rio Grande, 2 miles above Arecibo, Porto Rico, on June 12, 1915. 



B 



mm. 



FIG. 4. Anolis mayeri sp. nov. 



A, upper surface of head. 



B, lower surface of head. 



C, side view of head. 



D, transverse lepidosis of trunk. 



E, lepidosis of hind toes, knee, and vent. 



F, lepidosis of fore-arm and fingers. 



