B. Richardson 35 General Account Museum of Vertebrate Zoology, Univ. of Calif. Berkeley, Calif. 2 Placed a piece of each of the following horn, dry bone, fatty bone, antler, and hard wood, which were attached by a copper wire in a cage with 1 Neithodontomy. This animal was obtained by Mr. Clarence Smith sometime last school year for his work on this species. 3 No apparent signs of gnawing on any of the materials. 5 No apparent sign of gnawing. 6 Jan 25 The Neithodontomy died, probably due to improper feeding. There was no apparent sign of gnawing on any of the materials placed in the cage.