. Description of the test specimen of the rostro-carinate industry found beneath the Norwich Crag . PPpppVER TEXT FIG. (. Text Fig. 7.—Posterior face of the Norwich specimen, showing the deep median Fig. 8.—Outline diatrram of the same. The reference letters are as follows : — Eeferexce Letters for Text Fig. 8. —Dorsal plane. —Ventral plane. C, M, Co, mat and L as in Figs. 4, 5, 6. P, pp, ppp.—Small shaping fractures of the left posterior angle of the implement. VER.—Large vertical fracture of the posterior face (the same marked ver. in Figs. 4 and 6).This surface is the rem
. Description of the test specimen of the rostro-carinate industry found beneath the Norwich Crag . PPpppVER TEXT FIG. (. Text Fig. 7.—Posterior face of the Norwich specimen, showing the deep median Fig. 8.—Outline diatrram of the same. The reference letters are as follows : — Eeferexce Letters for Text Fig. 8. —Dorsal plane. —Ventral plane. C, M, Co, mat and L as in Figs. 4, 5, 6. P, pp, ppp.—Small shaping fractures of the left posterior angle of the implement. VER.—Large vertical fracture of the posterior face (the same marked ver. in Figs. 4 and 6).This surface is the remnant of a very much larger flaked surface, the centre ofpercussion of which was an inch or more below the present ventral plane before theblock of flint was reduced to its present size and before even the ventral plane hadbeen struck. This fact is indicated by the concentric waves of the surface beingsegments of a circle with a radius of at least two inches. fo andfo.—The two banks or converging faces of the deeply incised jxisterior verticalfissure or chine. This curious incisi
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Keywords: ., bookauthorlankestererayedwinray, bookcentury1900, bookdecade1910
