348 



CHEMISTRY OF THE DIGESTIVE PROCESSES. 



This table shows the results obtained by Werther 1 in four experiments on 

 dogs, in which all three kinds of saliva were collected and analysed. The results 

 have been placed in a similar form to that of the other tables, for ease of com- 

 parison. It should be observed that the sublingual saliva was barely alkaline 

 in all four experiments, while the submaxillary saliva was only so in one 

 experiment; that the sublingual saliva contains in spite of its viscidity no 

 more organic matter than the others, while it does contain much more 

 chlorides. Human sublingual saliva has never been obtained in sufficient 

 quantity for analysis. 



TABLE IV. 



BUCCAL Mucus. 



Water 



Total solids 



Organic matter 



(a) Soluble in alcohol , 



(b) Insoluble in alcohol .... 

 Inorganic salts 



Chiefly chloride and phosphate of sodium 



From Bidder and Schmidt, quoted by Maly. 2 



990-02 



1-67 

 2-18 



6-13 



TABLE V. 

 MIXED SALIVA. 



ASH OF MIXED SALIVA. 



Analyses I. to VI. are of human saliva by Berzelius, Jacubowitsch, Frerichs, 

 Tiedemann and Gmelin, Herter, and Hammerbacher respectively. Analysis 

 VII. is of dog's saliva by Schmidt. The table is taken from Maly, 8 except 

 Analysis VI., which is from Hammerbacher. 4 The analyses of ash are by 

 Jacubowitsch. 5 In 1000 parts of the ash of mixed human saliva, Hammer- 

 bacher 6 found 457-2 of K 9 0, 95'9 of Na 2 0, 50-11 of Fe 2 3 , 1-55 of MgO, 

 63-8 of S0 3 , 188-48 of P 2 0,T, and 183-5 of chlorine. 



1 Arch.f. d. ges. PhysioL, Bonn, 1886, Bd. xxxviii. S. 293. 



2 Hermann's " Handbuch, " Bd. v. (2), S. 20. 



4 Ztschr. f. physioL Chem. , Strassburg, Bd. v. 



5 Maly, loc. cii. 



3 Ibid. Bd. v. (2), S. 14. 



