8 THE ESSEX NATURALIST. south. It seems probable that further research would indicate other "sub-Roman" areas in eastern England. Within these "sub-Roman" areas it would appear that, although under Saxon rule in later times, the typical farmstead, associated with Celtic, run-rig and Roman centuriation, would remain. In Essex it therefore seems that, by the close of Saxon times, the south of the County was occupied by the unit farm- stead holdings. The extreme north-west and south-west had seen the inauguration of the Saxon two or three open field system (Gray), whilst it is probable that the East Saxons had introduced the same type of holdings in the north-east and east. It is in these latter areas that unenclosed arable land is found at the close of the eighteenth century. Gray also noticed a field system akin to the two and three open field type within the north-western forested area, which, he suggested, was the result of assarting within the Forest. Since this was, in all prob- ability, performed by the Saxons it is not surprising to find their field types there, but, being small individual holdings gained from the Forest, they had much in common with those of the Celtic area. The centre of Essex we may regard as having several systems but there was doubtless a tendency here, and in the assarted area, for unit farmsteads to obtain. This four- fold division of the County in respect of its field system throws some light on the progress of enclosures. It is apparent that the southern and central areas would have been easy to enclose, since the arable areas were in unit holdings and not in scattered "acres." The areas to the east and west had the "Champion," or two and three open field system, intrinsically less amenable to enclosure. It is in these flanking areas that we find the "Champion" system prevailing until comparatively late times. Therefore, if writers such as Tusser and Fitzherbert are to be believed, their words must, in the main, apply to the remaining parts of the County—the centre and south. The enclosures within the County probably began in the thirteenth century, and it may be recalled that in 1235 the Statute of Merton allowed lords to enclose their commons. A distinction, however, must be made between the enclosure of cultivated land for either arable or pastoral farming, and the enclosure of wastes and commons usually for rough pasture