NO. 13. 



THE FAKMERS' CABINET. 



Fig. 55. 



Fig. 57. 



[Te figures represent sections of three healthy horns about of the same age, and taken 

 Bear le root. In the horn from which fig. .56 was taken, the cavity did not reach more tlian 

 sne-tlrd the length of the horn. The darker circle represents the periosteum.] 



