The Collaborative International Dictionary of English v.0.48:

Mummified \Mum"mi*fied\, a.
   Converted into a mummy or a mummylike substance; having the
   appearance of a mummy; withered.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Mummify \Mum"mi*fy\, v. t. [imp. & p. p. Mummified; p. pr. &
   vb. n. Mummifying.] [Mummy + -fy: cf. F. momifier.]
   To embalm and dry as a mummy; to make into, or like, a mummy.
   --Hall (1646).
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "mummified":
   adust, baked, burnt, corky, dehydrated, desiccated, dried,
   dried-up, evaporated, exsiccated, parched, scorched, sear, seared,
   sere, shriveled, sun-dried, sunbaked, weazened, wind-dried,
   withered, wizened