312 APPENDIX. 



4. TISSUES CONTAINING CHONDRINE. 



a Ann. der Chem. und Pharm., XL., 49. 

 5. COMPOSITION OF THE MIDDLE MEMBRANE OF ARTERIES. 



Scherer.* a 



~ N Calculated. 



I. II. CteHssNs Oie. 



Carbon 53'750 53-393 53'91 



Hydrogen 7'079 6'973 6-96 



Nitrogen 15'360 15'360 15'60 



Oxygen 23'811 24'274 23'53 



a Ann. der Chem. und Pharm., XL., 51. 



6. COMPOSITION OF HORNY TISSUES. 



Scherer.* a. 



External skin Hair of Hair of the head. V 



of the sole of the foot, the beard. Fair. Brown. Black. 



Carbon ... 51-036 50752 51-529 50-652 49'345 50-622 49-935 



Hydrogen 6-801 6-761 6-687 6-769 6-576 6-613 6'631 



Nitrogen 17-225 17-225 17-936 17-936 17-936 17-936 17-936 

 Oxygen .,.") 



Sulphur } 24 ' 938 25 ' 262 23 ' 848 24 ' 643 26 ' 143 24 ' 829 25 ' 498 



Buffalo horn. Nails. Wool. , 



Carbon ... 51'990 51-162 51-620 51-540 51-089 50-653 51-718 



Hydrogen 6-717 6-597 6-754 6-779 6-824 7-029 6-860 



Nitrogen 17-284 17-284 17-284 17-284 16-901 17-710 17-469 



xygen 24>957 24 . U2 2 4-397 25-186 24-608 23-953 



n 1 



r ...J 



Sulphur 



a Ann. der Chem. und Pharm., XL., 53. 



