The parietal diameter is measured between the most distant points of the parietal bones, which are, for the most part, the protuberances of these bones.
[25]. I have been engaged for several years past in obtaining and arranging a series of measurements of the nature here indicated, under the title of Craniometrical Tables; but it will be readily conceived that the difficulty of procuring the requisite materials, renders the progress of such an undertaking extremely slow and uncertain.
[26]. I have reason to believe that this cranium, which I obtained separate from the rest of the mummy, belonged to another Egyptian skeleton subsequently procured from the same source.
[27]. Champollion, Monumens de l’Egypte, Tom. II., plate 160, fig. 3.
[28]. Rosellini, M. C., plate CXXXIII., fig. 3.
[29]. Hoskins’ Travels in Ethiopia, plate XI.
[30]. Cailliaud, plate XVI. to XX. For the use of the only copy of this work now in the United States, I am indebted to the politeness of Colonel Pleasanton, of this city.
[31]. Rosellini, Monumenti, M. C., plate CXXXIII.
[32]. Champollion-Figeac, Egypte Ancienne, p. 356.
[33]. Rosellini, M. C., plate XCVII., and Wilkinson’s Topography of Thebes, p. 109.