A series of eight specimens collected on Santa Cruz Island, February 7, 1889, by Mr. C. H. Townsend of the U. S. Fish Commission, (U. S. Nat. Mus. Nos. 15909-15917) are all of the ordinary _Uta stansburiana_ type with imbricate dorsals and mucronate caudals. Four others, taken by Mr. Joseph Grinnell at Friar's Harbor, Santa Cruz Island, are also of the usual type. These have femoral pores 13-14, 15-15, 12-13, and 15-15. =3. Sceloporus biseriatus becki= _Van Denburgh_. Mr. Joseph Grinnell has kindly sent me five specimens of the _Sceloporus_ of Santa Cruz Island, three of which he has given to the Academy. All five show the characteristic coloration of _S. becki_. Three have the supraoculars in contact with the frontoparietals on both sides of the head, one has these scales in contact on one side but separated on the other, and the fifth specimen has granules intervening on both sides. =4. Gerrhonotus scincicauda= _Skilton_. _Gerrhonotus scincicaudus_ YARROW, Bull. U. S. Nat. Mus. no. 24, 1882, p. 48; VAN DENBURGH, Occas. Papers, Cal. Acad. Sci. 5, 1897, p. 106. _Gerrhonotus multicarinatus_ COPE, Report, U. S. Nat. Mus. 1898 (1900), p. 525. Yarrow and Cope record two specimens (U. S. Nat. Mus. No. 8626) collected on Santa Cruz Island by Mr. H. W. Henshaw in June, 1875. One of these is still in the National Museum, where I examined it some years ago. ANA CAPA ISLAND. I believe no reptiles have been recorded from Ana Capa. Only the following species has come into my hands. =1. Uta stansburiana= _Baird & Girard_. Mr. Joseph Grinnell has sent me seven specimens collected on Ana Capa Island, September 4, 1903. Five of these are typical _U. stansburiana_, but the other two have dorsals similar to those of the two specimens collected by Dr. Loew on Santa Cruz Island; that is to say, they approach in this respect the _Uta_ of San Benito Island. The dorsal scales, however, are well keeled and the caudals are of the normal type. The femoral pores in the Ana Capa specimens are 14-14, 14-15, 14-?, 14-15, 14-14, 14-15, and 14-15. SAN NICOLAS ISLAND. San Nicolas Island is the type locality of _Xantusia riversiana_. No other reptile has been found there. =1. Xantusia riversiana= _Cope_. PLATE V, FIG. 2. _Xantusia riversiana_ COPE, Proc. Acad. Nat. Sci. Phila. 1883, p. 29; RIVERS, Am. Nat. v. 23, 1889, p. 1100; VAN DENBURGH, Proc. Cal. Acad. Sci. 2d ser. v. 5, 1895, p. 534; VAN DENBURGH, Occas. Papers, Cal. Acad. Sci. 5, 1897, p. 132; COPE, Report, U. S. Nat. Mus. 1898 (1900), p. 552.