SPECIES OF MAMMALIA. 



This variety is placed by M. Desmarest in this subdivi- 

 sion, in consequence of the observation of the Baron Hum- 

 boldt, that it is a variety of the Shepherd's Dog. 



C. F. Americanus, Gmelin, Sys. Nat. 



Michaucanens, Fernand. Anim. N. Hisp. 7. Teshichi, 

 Fernand. i. c. 10. Peruvian Dog, or Alco, Skald's Zool. 285. 



Inhabits Peru and Mexico. 



Obs. A specimen similar to Fernandez' description has 

 lately been exhibited in London, as coming from Mexico. 



Section III. Muzzle more or less truncated, cranium 

 much elevated, frontal sinuses large, condyles of the low^er 

 jaw placed above the line of the upper cheek teeth. 



Var. a. C. F. Molossus (the Bull-dog.) Muzzle thick, 

 short, and flat ; lips thick and pendent; head large, forehead 

 flat, produced by the development of the frontal sinuses 

 elevating the frontal bone above the nose, and reducing the 

 capacity of the brain; ears pendent at their extremity; body 

 thick, strong, and long; fur short; lips, extremity of the 

 muzzle, and outside of the ears black, the rest of the body 

 pale yellow; nostrils frequently cleft. 



The black variety of Thibet has the skin excessively loose 

 and plaited. 



C. F. Molossus, Lyn. Sys. Nat. 



Le Dogue, Buffon, v. The Bull-dog, Shaw. 



Icon. Buffon, v. t. 43. Ency. Method, t. 101./. 3. Bewick. 



Var. b. C. F. Anglicus, (the English Mastiff.) Head as- 

 similated to that of the Bull Dog, but with the ears alto- 

 gether pendent and never erected ; upper lips falling over 

 the lower jaw; end of the tail turned up, frequently having 

 the fifth toe on the hind feet more or less developed. Bred 

 between the Matin and the Bull-dog. 



C. F. Anglicus, Gmelin, Sys. Nat. 



Chien Dogue de fort Race, Buffon, v. The Mastiff, 

 Shaw. 



HI 



