BONES. 401 



The four following analyses were made by Valentin : 1 re- 

 presents the cortical portion of the tibia of a man aged 38 years; 

 and 2, the medullary portion of the same bone ; 3 represents 

 the external condyle of the left femur of a girl ; and 4, the head 

 of the left tibia of the same individual. 



1. 2. 3. 4. 



Basic phosphate of lime . 52-930 49-019 37-012 41-774 



Carbonate of lime . . 7'666 7-760 5-038 7'109 



Phosphate of magnesia . 0-254 1-542 0-874 0*874 



Chloride of sodium . . 0-911 0'441 0-645 i 



Carbonate of soda . . 0-204 0-076 1-331 J 



Cartilage, vessels, &c. . . 38-020 41-160 55-180 48-560 



Marchand found in the compact substance of the femur of 

 a man aged 30 years : 



Basic phosphate of lime . . . 52-26 



Fluoride of calcium .... I'OO 



Carbonate of lime . . . .10-21 



Phosphate of magnesia . . .1-05 



Soda ..... 0-92 



Chloride of sodium . . . 0-25 



Cartilage insoluble in hydrochloric acid . . 27-23 



Cartilage soluble in hydrochloric acid . , . 5'02 



Vessels ..... 1-01 



Peroxides of iron and manganese, and loss . 1-05 



The most recent analyses of human bones, with the exception 

 of those by Von Bibra, are those of Lehmann. 



Bones of a man aged 40 years who committed suicide. 



f \ 



Humerus. Radius. Ulna. Femur. Fibula. Tibia. 

 Phosphate of lime and -i 



fluoride of calcium } 56 ' 61 53 ' 25 53 ' 98 58 ' 93 52 ' 99 53 ' 12 



Carbonate of lime . 9-20 9*76 9-51 9-28 9-33 9-35 



Phosphate of magnesia . 1-08 1-06 1-07 1-09 1-06 1-07 



Chloride of sodium , 0-37 0-36 0-40 0-40 0-37 0-39 



Soda . . 1-35 1-36 0-98 1-04 1-07 0-99 



Organic matter 31-52 3376 33-23 28-61 34-14 34-10 



From the bones of a man aged 44 years he obtained : 



Femur. Tibia. Fibula. 



Phosphate of lime and fluoride of calcium . 52-67 52-93 52-04 



Carbonate of lime . . . 10-03 9*88 10-13 



Phosphate of magnesia . . . 0-93 0-91 0-89 



Soda . . . 1-07 1-09 1-12 



Chloride of sodium . . . 0'34 0-31 0-39 



Organic matter .... 34-15 33-94 34-51 ] 



ii. 26 



