54 'I'he Amtomy ^/^ H O R S E. Chap. V. 



§ II. Of the Mufclcs of the Nofc^ Lips^ and Cheeks. 



The Nofe, The Nofe is moved by four pair of Muf- 



f our Pair of dej, two pair called \ht adducent or clofing 

 Mufcles. Mufclcs, and two pair lerm'd the abducent 



or widening Mufcles. 

 r- /J p^.v The firft pair of the <2M//f^«/ arlfe from 



ttrjt Fair. ^ i r /i 



the upper Jaw- bone, near the nrft proper 

 pair of the Lips, and are inferred partly into the lower Part 

 of the Wings, or griflly Circumference of the Noftrils, and 

 partly into the upper part of the upper Lip. 



c J v„- The fecond pair take thek- Origin rear 



Second Pair. , t- • t , n n ^ t-. 



the Lye, with an acute and fiefhy Begin- 

 ning, and end on the Wirgs, as the other pair, but more 

 expanded. The Ufe of thefe two pair of JMufcles, is to 

 draw the griftly Circumference of the Noilrils upwards, and 

 fo to widen and open them. 



Third ard '\h^ Other two pair, or adducent Mufcles, 



Tourth Pair, ^'''^^> the one from the Root of the Griftle, 

 which afcendingcrois- ways to the Ridge or 

 Top of the Nofe, arc there infertcd. I'he other are hid 

 in the Cavity of the Noftrils under the inner Coat that 

 cloaths them, and at their Infertion are Ipread on the griftly 

 Circumference, 



The firft pair of thefe Mufclcs being contraflcd, deprefs 

 the Jlce or Gnftles of the Nofe ; and the latter p?.ir draw 

 them inwards, and fo dole the Noftrils ; to which Motion 

 the orbicular or round Mufcle of the upper Lip is alfo affif- 

 tant ; for by its drawing it downwards, it dolh at the fame 

 time contract the Noftrils. 



The Lips. "^ *-• ^^''^ ^'P^ belong feveral pair of Muf- 



cles, feme of which are proper to them alone, 

 and others are common both to them and the Cheeks. 

 Tnvo tair '^^^ ^^^ common Mufcle is called the 



<otnmon. ^uadratus^ or four-fquai:e Mufcle : It arifcs 



from one of the rertebra of the Neck, and 

 fome part of it from the Shoulder-blade, the Collar-bone, 

 and Breaft-bone ; from all which it afcends obliquely to the 

 Chin, Lips, and Root of the Noie, which part it draws 

 ilanting downwards- 



The fecond is the 'Buccinator ; this fprings from almoft 

 the vvhole Length of the upper Jaw bone, at the Root of 

 the Gums ^ it is feated under the upper part of the former, 



and 



