HERPETOLOGY OF PORTO RICO. 



613 



L885. Ameiva riisii Boulenger, Cat. Liz. Brit. Mus., II, p. 354 (St. Thomas).— 

 Gasman, Bull. Essex Inst., XIX, 1887, p. 11 (Porto Rico).— Meer- 

 wartii, Mitth. Naturh. Mus. Hamburg, XVIII, 1901, p. 30, pi. n, tigs. 

 7-9 (St. Thomas). 



1893. 1 Ameiva vittipunctata Boettger, Kat. Rept. Mus. Senckenberg. , I, p. 74 

 (Porto Rico) (not of Cope). 



A minute comparison of the large number of specimens brought 

 home by the expedition with the type of A. exul and with a good 



Figs. 59-65.— Ameiva EXUL. \\ X natural size. 69, top of head; 60, side of head; 61, underside of 

 head; 62, dorsal view of fore leg; 63, ventral view of hind leg; 64, dorsal view of hind foot; 65, 

 preanal plates. No. 27221, U.S.N.M. 



series of specimens from St. Thomas, the type locality of A. riisei, 

 fails to show the slightest structural difference, and thus verifies the 

 results arrived at by Reinhardt and Luetken and by Garman. The 

 color difference pointed out by the latter I have failed to appreciate 

 in the specimens under my observation, which show an amazing indi- 

 vidual variation in this respect. 



