15 



views only, and such offices would be triily unimportant, if not whoHy 

 useless, in these animals : we leave these remarks, however, for a more 

 digested consideration ; and now proceed to notice the numerous objects 

 presented in the sectional exhibition of this interesting animal. 



REFERENCES TO THE FIGURE. 



The Head of tue Hoese, comparedwith mostotherquadrupeds, is remarkable for its length 

 and dimensions, foiraed by an increased size of the cavities of the face, and by an extraordinary 

 elongation and width of the jaws. The actual cavity containing the brain not occupying more 

 thau perhaps a sixteeuth or a twentieth part of the entire head. The eye is sufficiently pro- 

 minent on the side for him to see behind him, and quick and füll, gives great aniniatioa to the 

 countenance ; and when under agreeable excitement, bis dilated nostril, broad füll lips, and 

 capacious mouth, impart a peculiar vigor and strength of expression and generosiiy thsit surpaj>ses 

 perhaps every other animal. 



Parts of the Head.— 1. The longitudinal Septum, or cartilaginous division of the nose, 

 covered by the schneiderian or olfactory membrane; it is the seat of catarrhs or colds, Tarious 

 farcy-gleets and ulcerations, and of the true glanders. The blood-vessels are seen ramifying 

 on its surface enlarged from disease. The lower part of the Septum is white, being destitute of 

 its covering abraded by the savv. 2 The Nasal Bones. 3 The Pulatine Bones. 4 The Inter- 

 Maxillary Bone holding the upper incisor teeth. 5 The Symphisis of the lower jaw early in life 

 obliterated and formiiig the lower jaw into one bone. The Tongtie^ 7 The white dense 

 membrane covering the palate, the lower half of double tbickness, and is the seat of the lam- 

 pers where it rests against the incisor teeth ; the six grinder teeth at the farther side of the 

 Biouth are also visible. 8 The Os Frontis and its cavities. 9 The Parietal Bone, 10 The Occi- 

 pital Bone. llThe Sphenoidal Bone. 12 The £/AmoWa/ and its cells. 13 The Cerebrum, or 

 greater brain, with its alternate layers of medullary and cineritious matter. 14 The Cerebellnm 

 or lesser brain. 15 The Plexus Choroides ; Corpus Callosum ; and Corpora Quadrigemina : 

 these parts may be best seen in a section ae large as life, of the horse's head, done by G. Kirt- 

 land about live years since, with the parts of the throat also iu section. lö Is a remai-kable 

 tnncous gland lying behind an eminence of bone called in the human Sella Turcica. 



Of the Faüces. — 17 A capacious openlng continucci from the nostril, passing over the bones 

 of the palate for the admission of air to the lungs. 18 A remarkable valve, formed of cartilage, 



closmsr 



