7 8 The Anatomy ^/ ^ H O R S E. Chap. VL 



T. The Spinalus Colli- 



V. The Vaftus Externus. 



WW. The Gaftrocnemius Externus. 



X. The Peronseus Amicus. 



Y, The Peronaeus PolUcus. 



CHAP. VI. 



Of the Bones. 



§ I. 0/ the Bones whkh frame and compofe the SkuU^ 

 zvith its Suture. 



The Skull. 'T^HE firft and uppermoft Part of the 



Head is the Skull, call'd by Anatomifts 

 the Cranium^ from its Office of covering the Brain like a 

 //. Bone^ proper ^/''"^^L ^^ "" compofed of nine Bones, three 

 and common. of which are common to it, and the upper 



Jaw ; which are the Wedge-like Bone, the 

 Os Jugaky or the Yoke-like Bone, and the Os Cribri- 

 fcrme^ or Sieve-like Bone. The other fix are proper Bones, 

 and make up the Skull itfelf ; and thefe are the Frontal^ 

 or Forehead-bone, the OccipitaU or Noll-bone, the two 

 Bones of the Sinciput, or Parietal bones, and the Temple- 

 bones, within which are contained the fmall Bones of the 

 Ear, which with the two Orbicular-bones, make up the 

 Number of feventeen Bones peculiar to the Skull. 

 Jis Sutures, or ^he larger Bones are diftinguifh'd by fe- 

 Seams. '^^''^^ Seams called Sutures, both which and 



the Bones are of the fam.e Number in a 

 Horfe as in Men, only that they are different in Shape 

 and Figure. 



Some of thefe Sutures are proper to the Skull alone, 

 and fome are common to it and the upper Jaw. They are 

 alio dillinguifhed into thofe that are true, and thofe that 

 are falfe ; fuch as are indented one into another, being of 

 the firft Kind ; and fuch as are plain and linear, like two 

 Boards glued together, being accounted of the fecond Kind, 

 or only falfe Sutures. 



Jts true Sutures. "^^^ ^''^^ Sutures are three in Number, 

 and proper to the Skull only, viz. the Co- 

 ronol, Lambdoidalj and Sagittal. 



