I'^OO.] NATURAL SCIENCES OF PHILADELPHIA. 65 



gled with clay. A specimen of the skull of a Rhinoceros, with all 

 the molar teeth of both sides retained in ])osition, carefully removed 

 together, in a mass of clay by Mr. Hatcher, was crushed into a mul- 

 titude of fragments, which fell a])art on the drying of the specimen. 

 It would ai)pear that the more delicate fossils were crushed while 

 embedded in the clay ; by what means was not obvious. 



Thomas H. Dudley was elected a member. 



The following were ordered to be printed : — 



