ANIMAL CHEMISTRY. 

 NOTE (9,) p. 24. 



COMPOSITION OF ANIMAL CASEINE.Cf 



Scherer. 



Carbon 

 Hydrogen 



Nitrogen , 



a Ann. der Chem. und Pharm., XL., 40 et seq. 



6 This substance, called, in German, zieger, is contained in the whey of milk after coagulation by 

 an acid. It is coagulated by heat, and very much resembles albumen. 



Mulder.a 



'; v ? v . . . 54-96 



Carbon 



Hydrogen 



Nitrogen 



Oxygen 



Sulphur 



15-89 



21-73 



0-36 



a For the analysis of vegetable caseine, see the preceding note. 

 NOTE (10,) p. 27. 



AMOUNT OF MATTER SOLUBLE IN ALCOHOL IN THE SOLID EXCREMENTS OF THE 

 HORSE AND COW. (WILL.*) 



18-3 gramnes of dried horse-dung lost, by the action of alcohol, 0-995 gramme. The 

 residue, wnen dry, had the appearance of saw-dust, after it had been deprived, by boiling, 

 of all soluble matter. 



14-98 grammes of dry cow-dung lost, by the same treatment, 0*625 gramme. 



NOTE (11,) p. 28. 



COMPOSITION OF STARCH, d 



Strecker.* 



Carbon 

 Hydrogen 

 Oxygen , 



Carbon . 



Hydrogen 



Oxygen 



Carbon . 

 Hydrogen 

 Oxygen . 



Strecker.* 



B rom maize. From horse-chestnuts. From wheat. From rye. 



44-16 



44-27 



6-67 



49-06 



44-44 



6-47 



49-08 



Strecker.* 



44-26 

 6-70 

 49-04 



6-64 

 49-20 



From rice. 



44-69 

 6-36 

 48-95 

 From potatoes 



From 

 dahlia-roots. 



44-13 

 6-56 

 49-31 



From 

 unripe apples. 



44-10 

 6-57 

 49-33 



From 

 unripe pears. 



44-14 

 6-75 

 49-11 



From arrow-root. From yams.a 



Berzelius. Gay Lussac & Thenard. Prout. Ortigosa, 



Carbon . 44-250 43-55 44-40 44-2 



Hydrogen . 6-674 6-77 6-18 6-5 



Oxygen . 49-076 49-68 49-42 49-3 



n The starch employed for the analyses, made by Strecker and Ortigosa, was prepared from the 

 chemical laboratory at Giessen, from the respective seeds, bulbs, and fruits. 



NOTE (12,) p. 28. 



COMPOSITION OF GRAPE SUGAR. (STARCH SUGAR.) 



From grapes. a From starch.6 From honey .c 



Prout. 



grapes. a 



De Saussure. 



Calculated. 

 C12H14014. 



Carbon . 36-71 37-29 36-36 36-80 



Hydrogen . 678 6-84 7-09 7-01 



Oxygen . 56-51 55-87 56-55 56-19 



a \nu. de Chimie, XL, 391. 6 Ann. of Philosophy, VI., 426. c Philosoph. Trans. 1827, 373. 



