Ixvi ^^otes to Introductory Lecture, 



that is, ill the direction of their two opposite quarters. The 

 absurdity of the error noticed is evident. But the camel 

 forms a striking exception to the rule : he walks by raising 

 the two legs of the same side, the one immediately after the 

 other. Aristotel. de hist, animal, lib. 11, cap. 1. Dr. Rus- 

 sel confirms Aristotle's statement. Nat. Hist, of Aleppo, vol. 

 2, p. 169, & p. 423. The engravings of the skeletons of 

 some of the animals in Buffon's natural history, particularly 

 of the horse, are very inaccurate. 



Artists should read the following works besides Camper's, 



1. Reflections on the painting and sculpture of the Greeks, 

 with instructions for the connoiseur, and an essay on grace 

 in works of art, translated from the German original of the 

 Abbe AVinkleman, by Henry Fusseli, London, 1765 — 8vo. 



2. Count Algarotti on painting, London, 1763 — 12mo. 



3. Dr. Brisbane on the anatomy of painting, with 6 plates, 

 London, 1769. 



4. Essays on the anatomy of expression in painting, with 

 plates, by Charles Bell, ^io, London, 1804. This last is by 

 one of the first anatomists of the present day, and ought to 

 be studied by every painter or engraver, of either man or 

 animals. 



J^ofe 44. 

 Gentleman's Magazine, 1790, p. 299. 



JVofe 45. 

 See an account of a case of croup in a calf, in memoirs of 

 the Philadelphia society for promoting agriculture, vol. 3. 

 by Mi". Peters, president of the society. 



JVofe 46. 

 Memoirs medical society, London, vol. 5. 



JV^ofc 47. 

 This disease has prevailed with great mortality in Phila- 

 delphia county during the last spring. Mr. G. Montague 

 gives some reasons, for believing that by mixing the food of 

 fowls with urine instead of water, and feeding them with it 

 three or four times a day, it may be removed. Memoirs of 



