Vol. XXVI, pp. G9-72 March 22, 1913 PROCEEDINGS OF THF. BIOLOGICAL SOCIETY OF WASHINGTON A NEW LIZARD FROM PORTO RICO. BY LEONHARD STEJNEGER. [Published here bj permission of the Secretary of the Smithsonian Institution.] When finishing my " Herpetology of Porto Rico,'-' * in 1901 , I had examined about 900 specimens from that little island, 540 of which were collected by Dr. Charles \V. Richmond and myself during a two months' visit during which I paid special attention to the reptiles. There was consequently some reason for believing that the herpetological fauna might be exhausted, and that at least no conspicuous species would have escaped detection. It is true that Dr. Richmond and I discovered one on the very last day of our stay on the island, hut that we regarded as positively the last novelty. Mr. Wetmore's dis-covery of a very distinct new species of lizard there consequently conns somewhat in the nature of a shock and illustrates once more the fortuitous character of reptile collecting. And yet, this very discovery might almost have been predicted on zoogeogra pineal grounds. One of the distributional puzzles of the Antilles has been the occurrence of Ameiva polops on St. Croix, the southern island of the Virgin Island group, since its nearest, and in fact very close, relative, Ameiva lineolata was found in Hayti only. These two species form a somewhat isolated group among the other species of Ameiva, and it is therefore very gratifying to tind a third species of this group represented on the island situ-ated intermediate between the two other localities. 1 take great pleasure in naming it after its discoverer. •Rep. U. S. Nat, Mus., (1902), 1904, pp. 549-724. L6— Pboc. Biol. Soc. Wash., Vol. XXVI, 1913. (09)
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