7 8 The Anatomy ^/ ^ H O R S E. ChaPc VI, 



T. The Spinatus Colli- 



V. The Valtus Externus. 



WW. The Gallrocnemius Externus, 



X. The Peronaeus Amicus. 



■y. 27?^ Peronaeus Pofticus. 



CHAP. VI. 



Of the ' Bones. 



§ I, Of the Bones which frame and compofe the SkuU^ 

 with its Suture. ^ 



*rhe SkuU T* ^ -^ ^^^ ^^^ uppermofl Part of the 



Head is the Skull, call'd by Anatomifts 



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



- Helmet. It is compofed of nine Bones, three 



J ^^^i^ '' ofwhich are common to it, and the upper 

 n?i a common, , ... , _.,_ ' ,., ^^ ^^ 



Jaw ; which are the Wedge-like Bone, the 



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

 forme, 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 Occipital, 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. 

 Its Sutures or The larger Bones are diftinguifli'd by fe- 

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

 the Bones are of the fame Number in a 

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

 ^nd Figure. 



Some of thefe Sutures are proper to the Skull alone, 

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

 alfo diftinguifhed into thofe that are true, and thofe that 

 are falfe j luch 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. 

 7., *.„. 9„/,>...r The true Sutures are three in Number, 



Its true outures. . , o. n i • ^ *-< 



and proper to the Skull only, viz, the C/j- 

 Tonal, Lambdoidal, and Sagittal, 



The 



