The site map of Cyzicus reproduced in this number (Pl. VI) represents the results of Mr. A. E. Henderson's survey in the summers of 1902—3. The first season's work, of which alone I can speak at first hand, accounted for the coast line, prominent remains (including the city walls), and main roads: the limits of the marsh land on the isthmus were also ascertained with considerable exactness with a view to the recent discussion of the original nature of the Cyzicene Peninsula: these limits, however, are subject to a certain amount of variation with the season, and cultivation is yearly encroaching upon them. The maze of walls within theenceinte—some of them modern vineyard boundaries, others doubtless resting on ancient foundations—was added by Mr. Henderson and Mr. Peet in 1903: contouring was found impossible in the time at their disposal, and indeed the general levels of the site are fairly adequately shown on the excellent Admiralty Chart of Artaki Bay (of which a section is here reproduced in miniature in Fig. 1) and on the sketch maps of Perrot and De Rustafjaell.