616 THE IMPROVED ART OF FARRIERY. 



the work illustrative of the parts especially requisite 

 to be studied. 



Plate 2. — ^The Skeleton, or Bony Structure 

 OF the Horse, 



Consists of three distinct sections, viz., the head, 

 the trunk y and the extremities ; which are again sub- 

 divided into several parts or portions. 



Bones compose the basis of the animal machine, 

 they are hard and insensible, and of various shapes, 

 according to their situation. 



1. The Head. — Is composed of the following bones, 

 which a reference to Plate 2 will exemplify, a, the 

 OS frontis, or forehead ; 6, the nasal bones ; c, the os 

 lachrymalis ; cZ, the jugal or cheek bone ; e, the su- 

 perior maxillary, or upper jaw ; /, that portion which 

 unites with the palatine and jugal bones ; g, the in- 

 ferior maxillary bone which contains the upper in- 

 cisor teeth ; h, the maxilla posterior, or lower jaw ; 

 the dark shade between a, c, d, is the orbit of the eye ; 

 i, the parietal, or vertical bone ; m, n, the temporal 

 bone, consisting of the squamous and petrous por- 

 tions ; 71, the petrous division, being a part of the 

 internal ear ; Z, o, p, the occipital or knoll bone ; o, 

 marks the occipital elevation ; p, the cuneiform pro- 

 cess ; Z, the condyloid process, marking its junction 

 with the atlas. 



2. The Neck. — B,B, the seven cervical vertebrse, 

 or bones of the neck ; a, the first of these is deno- 

 minated the atlas, 



3. The Spine. — Is composed of the eighteen dorsal 

 vertebrae, 1 — 18; the lumber vertebrae, which form 

 the loins, six in number, 1 — 6 ; the sacrum , ^ye in 



