Fig. 2. Cal. Acad. Sci. no. 6613, San Nicolas Island, California, Joseph Grinnell, May 22, 1897. Natural size. [Illustration: PROC. CAL. ACAD. SCI. 3^{D}. SER. ZOOL. VOL. IV. [VAN DENBURGH] PLATE V. PHOTO.-LITH. BRITTON & REY. S. F. ] EXPLANATION OF PLATE VI. _Uta martinensis_ sp. nov. _Type_, Cal. Acad. Sci. no. 4698, San Martin Island, Lower California, Mexico, R. H. Beck, May 3, 1903. Fig. 1. General view, natural size. Fig. 2. Head from above, × 2½. Fig. 3. Head from side, × 2½. Fig. 4. Scales of back, × 3. Fig. 5. Hind limb, × 1¾. [Illustration: PROC. CAL. ACAD. SCI. 3^{D}. SER. ZOOL. VOL. IV. [VAN DENBURGH] PLATE VI. MARY WELLMAN. DEL PHOTO.-LITH. BRITTON & REY. S. F. ] EXPLANATION OF PLATE VII. _Gerrhonotus scincicauda ignavus_ subsp. nov. _Type_, Cal. Acad. Sci. no. 4699, San Martin Island, Lower California, Mexico, R. H. Beck, May 3, 1903. Fig. 1. Head from side, natural size. Fig. 2. Base of tail from side, natural size. _Gerrhonotus scincicauda_ (_Skilton_). Cal. Acad. Sci. no. 3897, Santa Rosa Island, California, Gustav Eisen, June 1897. Fig. 3. Head from side, natural size. Fig. 4. Base of tail from side, natural size. [Illustration: PROC. CAL. ACAD. SCI. 3^{D}. SER. ZOOL. VOL. IV. [VAN DENBURGH] PLATE VII. MARY WELLMAN. DEL PHOTO.-LITH. BRITTON & REY. S. F. ] EXPLANATION OF PLATE VIII. _Uta stellata_ sp. nov. _Type_, Adult male, Cal. Acad. Sci. no. 4704, San Benito Island, Lower California, Mexico, R. H. Beck, May 6, 1903. Fig. 1. General view, natural size. Fig. 2. Head from side, × 3. Fig. 3. Head from above, × 3. Fig. 4. Scales of back, × 3. Fig. 5. Scales of central part of back, much enlarged. Fig. 6. Hind limb, × 1¾. [Illustration: PROC. CAL. ACAD. SCI. 3^{D}. SER. ZOOL. VOL. IV. [VAN DENBURGH] PLATE VIII. MARY WELLMAN. DEL PHOTO.-LITH. BRITTON & REY. S. F. ] PROCEEDINGS OF THE CALIFORNIA ACADEMY OF SCIENCES THIRD SERIES ZOOLOGY VOL. IV, NO. 2 _Issued December 2, 1905_ THE SPECIES OF THE REPTILIAN GENUS ANNIELLA, WITH ESPECIAL REFERENCE TO ANNIELLA TEXANA AND TO VARIATION IN ANNIELLA NIGRA BY JOHN VAN DENBURGH _Curator of the Department of Herpetology_ The genus _Anniella_ was established by J. E. Gray[10], in 1852, to contain a single species which he named _Anniella pulchra_ and described in the following terms: