34 Development of the Botics. 



2. 83. Development of Patella. — Patellae iu process of ossifi- 

 cation — injected and in turpentine. 



These specimens are similar to the last. B. C. 1. IS", 122. 



2. 84. Development of Patella. — Patellae of a child seven years 

 old — in turpentine. 



The ossific centres are large, hut some cartilage still 

 remains. B. C. 1. N. 121. 



2. 85. Development of Patella. — Patella of a child nine years 

 old — in spirit. 



A bursa is seen beneath the ligamentum patellae. 



B. C. 1. N. 123. 



2. 86. Development of Patella. — Patella of a person sixteen 



years old — in turpentine. 



Considerable cartilage still remains. B. C. 1. N. 124. 



2. 87. Development of Patella.— Section of an injected patella 

 from a person twenty years old — in turpentine. 



The bone is now nearly perfect. B. C. 1. N. 125. 



2. 88. Development of Patella.— Patellae of a man advanced 



in life — in turpentine. 



The bones are now complete. B. C. 1. N. 126. 



2. 89. Ossification of Tibia.— Section of the tibia— injected with 

 vermilion — in spirit — the vessels running through the epiphysial 



