BONES. 239 



Earthy matter. Cartilage. 



Femur, . . 62-49 . 37-51 



Tibia, . . 60-01 . 39-99 



Fibula, . . 60-02 . 39-98 



Humerus, . . 63-02 36-98 



Ulna, . . . 60-50 . 39-50 



Radius, . . 60-51 . 39-49 



Squamous portion of temporal bone, 63-50 . 36-50 



Vertebra, (arch of dorsal), . 57-42 . 42-58 



Rib, (external crust), . 57*49 . 42-51 



Clavicle, . . 57-52 . 42-48 



Eeum, (near the crest), . 58-79 . 41-21 



Scapula, (coracoid process), . 54-51 . 45-49 



Sternum, . . 56-00 . 44-00 



Metatarsal bone of great toe, 56*53 . 43-47 

 The cancellated structure of various bones gave the following 

 results : 



Earthy matter. Cartilage. 



Head of femur, . 60-81 . 39-19 



Rib, . . 83-12 . 46-88 



Solid portion of ditto, 57-77 . 42-23 



Dr Rees examined also the bones of a foetus, and obtained the 

 following result : 



Earthy matter. Cartilage, 



Femur, . 57-51 . 42-49 



Tibia, . 56-52 . 43-48 



Fibula, . 56-00 . 44-00 



Humerus, . 58-08 . 41-92 



Radius, . 56-50 . 43-50 



Ulna, . 57*49 . 42-51 



Clavicle, . 56*75 . 43-25 



Ileum, . 58-50 . 41-51 



Scapula, . 56-60 . 43*40 



Rib, . 57-35 . 42-65 



Parietal bone, . . 55-90 . 44-10 

 The following analyses were made by M. Denis. He does not 

 notice magnesia, but perhaps it may be included in the carbo- 

 nate of lime : 



