The internal view of the calvaria- the bone being greatly thickened. The anterior parts were most increased. The surface is marked by numerous small orifices through which vessels passed, the courses of the large vessels are distinct. The whole substance of the bone was unusually hard and heavy. Plate 40 from Bright's Medical Reports: Diseases of the brain and Nervous System part 2 by Richard Bright (London, Longman, Rees... 1831). Inscribed: 'Plate 40. Drawn by Scharfe. London published Jan 1, 1830, by Longman, Rees, Orme & Brown. Printed by Engelmann & Co.'Original: engraving. 1831