The creatures described in Rohr’s book consume the bodies of live humans, not only the blood, differing slightly from the modern conception of the vampire. Nevertheless, De Masticatione Mortuorum has played a vital role in the evolution of the vast vampire mythology canon.
Below, a manuscript excerpt is translated from its original Latin to English.
[Last line of second page:] Our Common People attempt to avert the danger of chewing by placing under the chins of the dead a portion of recently excavated earth, lest they perhaps open their mouths and chew on the attached bands...
Read more: http://channel.nationalgeographic.com/series/explorer/4816/Overview#tab-chewing-dead-manuscript#ixzz0gG5HU7Uy