9 THE NEOLITHIC OR NEWER STONE AGE. The remains of man during this period are found on or near the surface, the deepest being in lake-beds or the more recent river silt. The geographical and climatic conditions that pre- vailed in Neolithic times appear to have differed but little from the state of things existing at present. As compared with the Fig. 8. Skeleton of the Irish Elk. Cervus (Megaceros) hibernicus, Owen. Remains of these species have been found at Ilford and Walton-on-Naze. preceding age, a great change is evident in the fauna, many of the animals having migrated or become extinct. The animals of the neolithic age are those that still exist, with the addition of the Irish Elk. Britain had in all probability become an island,