Chap. V. 'The Anatomy ^/ ^ H O R S E. 6i^ 



The Mufcles common to the Head and llhofe common 

 Neck are in Number four Pair, as has been to the Head 

 obferved. and Neck. 



The firll call'd Spmatum^ becaufe they are feated among 

 the Spines oilht Vertebra^ take their Rife from the Root 

 of the Spines of the feven uppermoft Vertebra of the Cheft, 

 and five lowermoft of the Neck, and are inferted into the 

 whole lower fide of the Spine of the fecond Vertebra of 

 the Neck. Their Office i,s to bend the Neck backward, 

 or a little obliquely. 



The next Pair is call'd Tranfverjale^ becaufe they both 

 arife, and are mferted into the tranfverfe Procefies of the 

 Vertebra^ arifing from thofe of the uppermoft Vertebra: 

 of the Cheft ; and being inferted mto the Outfides of all 

 the tranfverle Procefles of the Neck- bones. Their Ufe is 

 the fame with the firft. 



The third Pair, call'd Longum , lie hid under the Gullet, 

 arifing from the Body of the fifth and fixth Vertebra of the 

 Back, and reaching the higheft Vertebra of the Neck, into 

 which they are inferted Their Ufe is contrary to the firft 

 two Pair, bending the Neck forward when they acl toge- 

 ther, and when they a6t fingly, to one fide. 



The laft Pair is called Triarigulare : Thefe are feated 

 forward on the fides of the Neck, having fome Perforations, 

 by which Veins, Arteries, and Nerves, pafs out, of ;he 

 Body mto the Fore-legs. 



§ VII. Of the Mufcles of the Breafl. 



Having briefly run over the Mufcles which ^^ Breajl w/. 

 ferve to rhove the Head and Neck, -we come ^^^^^ ^f "^ ^^- 

 now to thofe of the Breaft, which aduate ^^I'^f ^^-^-^ 

 the Cheft, whereof four Pair widen and di- 

 late it, and two Pair contrad it. 



The firft of thofe which ferve to widen Voe four Pair 

 the Breaft, are called Subciaviu?n, from their f^-^^f -ividen the 

 Situation under the Clavicle, or Collar-bone, ^reafi. 

 Thefe arife from under that Bone, and are implanted into 

 the firft Rib near the Breaft-bone, drawing the firft Rib up- 

 wards and outwards. 



The fecond Pair, call'd ^erratum majus anticimy (from 

 the Refemblance their Tendons have to the Teeth of a Saw) 

 arife from the Infide of the Shoulder-blade and the two up- 

 per Ribs, and are inferted into the' lower five true Ribs, and 



two 



