. Bulletin of the British Museum (Natural History), Geology. OF BRITISH ISLES 79. Fig. 7. Distribution of remains of Trogon- therium hoisvilletti (Laugel) in the British Isles. the Norfolk Forest Bed ; only a few Hoxnian specimens are known. These are a solitary incisor from Ingress Vale, Swanscombe (Newton 1902, Stopes 1904, Schreuder 1929, 1951, Sutcliffe 1964), a cheek tooth from Copford (Brown 1852, site dated as Hoxnian by Turner 1970, BM(NH) 27985), a femur and eight cheek teeth from Hoxne (Spencer 1956) ; and part of a skull from Clacton (Singer et al. 1973). General distribution. T. ho
. Bulletin of the British Museum (Natural History), Geology. OF BRITISH ISLES 79. Fig. 7. Distribution of remains of Trogon- therium hoisvilletti (Laugel) in the British Isles. the Norfolk Forest Bed ; only a few Hoxnian specimens are known. These are a solitary incisor from Ingress Vale, Swanscombe (Newton 1902, Stopes 1904, Schreuder 1929, 1951, Sutcliffe 1964), a cheek tooth from Copford (Brown 1852, site dated as Hoxnian by Turner 1970, BM(NH) 27985), a femur and eight cheek teeth from Hoxne (Spencer 1956) ; and part of a skull from Clacton (Singer et al. 1973). General distribution. T. hoisvilletti is known from the early Pleistocene in Britain, Holland, France (type locality Saint-Prest, near Chartres) and western parts of Germany. Further to the east it is, according to Schreuder (1951), replaced by a slightly different species, T. cuvieri Fischer, first described from the border of the Azov Sea. T. cuvieri was present in Germany during the Holsteinian Interglacial. According to Lehmann (1953), T. cuvieri is a more advanced species than T. hoisvilletti and may be its descendant. If this is true, the British Hoxnian remains may represent T. cuvieri, but there are too few suitable specimens to allow a detailed determination. Genus CASTOR Linnaeus 1758 Castor fiber Linnaeus 1758 Beaver 1846 Castor europaeus ; Owen : 190-200, figs 74-75. 1864 Castor veterior Lankester : 355-356. 1889 Castor fiber Linn. (= europaeus Owen) ; Whitaker : 336. 1908b Castor plicidens Maj. ; Major : 630-635, figs 132-136. 1964 Castor sp. ; Spencer : 338. Localities : Sutton and Woodbridge, Suffolk (47, Red Crag) : Lankester 1864, Newton 1891, Barrett-Hamilton & Hinton 1910-21, Schreuder 1929. East Runton (64, Pastonian Forest Bed) : Major 1908b. Bacton, Kessingland, Mundesley, West Runton (58, 52, 60, 65, Forest Bed) : Dawkins & Sanford 1866, Owen 1869, Newton 1881, 1882a, 1891, Major 1908b, 7. Please note that these images are extracted from scanned page images that may have be
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