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clofure or partition which feparates the finus in- 

 to two cavities. 



F. G. Two other inclofures -, fomctimes 

 there is but one to be found in horfes. 



N. The beginning of the cornets or horns. 



O. Their dupHcation. 



P. Their middle part. 



Q^ Their lower extremities. 



M. The bony canal which inclofes and guards 

 the upper maxillary nerve. 



AA. The partition or feptum which divides 

 the nofe by a line all along to form the two 

 noflrils. 



THE 



