48 The Anatomy of a HORSE. Chap. IV. 



1 V fTI '^^^ Vellels of the Nofe are Veins from 



W^ ^' ^^g Jugulars, Arteries from the Carotids, 



and Nerves from the third Pair, befides the Olfactory 

 Nerves v/hich are proper to it. 



It is IhiM on its infide with a fine Membrane, which 

 taketh its Rife from the Dura Mater, There are on the 

 back-fide of this Membrane abundance of little Kernels, 

 which feparate a great Part of the Moifture which comes 

 from the Nofe. It has alfo another Membrane, call'd its 

 Mufcular Membrane^ which is faid to contract and draw 

 together the Noftrils. 



T/ O C ■ ^" ^^^ upper Part of the Nofe is feated 



brTforme."" the Os Cribrifor??ie^ or Sieve-like Bone, 

 which is perforated in many Places, that the 

 fmall Twigs, which fpring from the Mamillary Procefles, 

 may have a free Paflage thro' it into the Infide of the 

 Nofe, ferving there to be the immediate Organs of Smelling. 



As the Ear is form'd in fuch manner as to colled and ga- 

 ther together all Sounds into its Cavity, fo the Nofe is like- 

 wife adapted to gather into it all Smells ; which Senfation 

 is perform'd in this manner : The Effluvia^ which fiy ofF 

 from all odoriferous Bodies, being carried in the circumam- 

 bient Air, are communicated to all Creatures as foon as they 

 draw in their Breath at the Noftrils ; but more to a Horfe 

 than to many others, by reafon he fucks in moft of his 

 Breath that way. As foon as thefe Effluvia^ or odoriferous 

 Particles are got within the Nofe, thofe little Branches of 

 the Olfadory Nerves, which are fpread all over its infide, 

 are immediately afteded therewith, and immediately com- 

 municate that Senfation, whether it be grateful or unplea* 

 fant, to the common Senfory, where it is diftinguifh'd. 

 , jj^ Thus the Nofe is not only ufeful, as it 



-^^' helps all Creatures to dillinguirti that which 



is proper for their Food, from that which may be huiifui 

 to them, as it is the chief Inftrument of that Inftind ; but 

 it is alfo ufeful to difcharge a great deal of Excrements 

 from the Blood. 



<r; M ih ^^ ^°"^^ "o^v ^^ ^^^ Mouth, which is the 



if:e mouw. j^^ ^^.^^ ^^ ^^ confider'd under this Di- 



vifion ; and is generally divided into that which is call'd 

 External, and that which is term'd Internal. 



The Lips '^^^^ ^^P^ ^^^ ^^^ external or outward 



Parts, which are alfo divided into the upper 



and under : Thefe are compofed of a foft, fungous Sub- 



Itance, 



