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Show 1881.] MR. o'SHAUGHNESSY ON LIZARDS FROM ECUADOR. 227 EXPLANATION OP THE PLATES. PLATE XX. Cylindrophis lineatus, sp. nov., p. 217; with outlines of head-shields, from above. PLATE XXI. Fig. 1. Simotes dennysi, sp. nov., view of head, p. 218 ; from above. la. , outline of head-shields, side view. 2. Ophites subcinctus, var., p. 222 ; outline of head-shields, from above. 2a. , var., outline of head-shields, side view, 3. Rhacophorus dennysi, sp. nov., p. 224 ; side of head. 3«. , fore foot, from below. 4. Rana macrodon, p. 225 ; head. 4a. , hind foot, from below. All the above figures are of the natural size, except 1, la, 2, and 2a, which are double the real dimensions. 4. An Account of the Collection of Lizards made by Mr. Buckley in Ecuador, and now in the British Museum, with Descriptions of the new Species. By the late A. W . E. O'SHAUGHNESSY, Esq., Assistant in the Natural- History Departments, British Museum. [Received January 19, 1881.] (Plates XXII.-XXV.) Of the zoological collections made by Mr. Buckley in Ecuador, various sections of which have already formed the subjects of papers in these ' Proceedings,' not the least interesting is the collection of Lizards, both on account of the number of new species it reveals, and because of the fresh materials it affords for the study of those already known. I have given a partial notice of this collection (P. Z. S. 1880, p. 491), confined, however, to a preliminary list of the species of Anolis identified, and the description of a beautiful new one. I now offer the results of a study of the whole collection, and have thought it advisable not to restrict the present paper to the description of the new forms, but to enumerate all the species, for the purpose of recording additional remarks and revisions which have appeared necessary, and of thus making this contribution to the Herpetology of Ecuador as complete as possible. A much earlier collection, that of M r . Fraser, afforded Dr. Gunther the opportunity, in 1859, of describing and figuring a series of reptiles from the same region (P. Z. S. 1859, p. 8 9 ) ; and his paper has, of course, been frequently referred to. I may point out that the family Cercosauridae, our knowledge of which, so imperfect before Prof. Peters's admirable memoir in 1863, had scarcely been increased since that date, has received some remarkable accessions in the present collection; also that the genus Enyalius has been further worked out, whilst a new form of the curious genus Hoplocercus has been brought to light. 15* |