Dr. A. Straticli's Catalogue of Geckos. 383 a dark purple-coppery colour) and by the much more delicate and less close punctuation of the thorax and elytra. Hah. Batchian (C. Curtis). Coptengis MelviUi. Laete cyaneus, nitidissimus ; eljtris maculis quatuor flavis notatis. Long. 19 millim. Closely resembles C. Sheppardi^ but is of a deep blue colour, the legs being also blue. Besides the difference in colour, this species is distinguished by the punctuation of the elytra, which is as strong as in C. Sheppardi but less close. Hah. New Guinea. Presented to the Museum by J. Cosmo Melvill, Esq. L. — Remarks on Dr. A. Sfrauch''s Catalogue of the Geckos in the Zoological Museum of the Imperial Academy of St. Petershurg *. By G. A. BOULENGER. This important memoir contains an enumeration of all the Geckoid Lizards (inclusive of the Eublepharidse and Uro-platidse, which are united with the Geclconidaj) in the St. Petersburg Museum. We learn that 122 species are repre-sented in that collection by upwards of 637 specimens. A dichotomical key is given of all the genera, but only such species as are new or imperfectly known are described. The author has not adopted tlie sequence followed in the British-Museum Catalogue, in which the series of genera commences with the least specialized forms, i. e. those in which the digits are not dilated; he prefers commencing with the most " typical " forms, in which the Geckoid character is most highly developed. Two new genera are established, viz. Cnemaspis, allied to Gonatodes, for a new species from Pulo Condor, and Ptenodoctylus, allied to Stenodactylus^ for a Turkestan form, P. Eversmanni, Wiegm., which had never been properly described before. Twelve other new species are established, on three of which 1 have to offer some remarks. First with respect to the new Gehyra^ G. Fischeri^ from Ternate ; I am inclined to think that this is a young male of the same form that I described, almost simultaneously, from an adult female from Morty, and named G. marginata. The volume in which I published its description having been * " Bemerkungen iiber die Geckouiden-Sammlung im zoologischeu Museum der kai?erlichen Akademie der Wissenschaften zu St. Peters-burg," M^ni. Acad. St. P^tersb. xxxv. no. 2, 1887.
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