'Silex quartzum' mb-height 5337 including a man begging and

including a man begging and an omnibus

Plate 11 from the Croonian Lecture paper 'On the anatomical structure of the eye

Bill Foulkes

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'Silex quartzum' mb-height 5337 including a man begging andEight specimens of flint pebbles, generally split or sectioned, from various locations including from near London and from Norwich in Norfolk. Plate 88 from British mineralogy: or coloured figures intended to elucidate the mineralogy of Great Britain, by James Sowerby, volume 1 (London, R. Taylor & Co., 1804). The accompanying text states that 'Flint pebbles, so universally known in the vicinity of London, are not so well known everywhere The forms