HEREDITARY DEFORMING CHONDRODYSPLASIA 299 



entity, widely distributed, of hereditary origin, which lends itself well to 

 further study in the hereditary transmission of disease. 



That hereditary disorders, — properly defined, — can be eradicated only 

 through the application of the principles of eugenics. 



REFERENCES 



(1) Ehrenfried: Multiple Cartilaginous Exostoses — Hereditary Deforming Chondro- 



dysplasia: a brief report on a little known disease. Jour. Amer. Med. Assn., 



1915, lxiv, 1642. 

 Ehrenfried: Hereditary Deforming Chondrodysplasia — Multiple Cartilaginous 



Exostoses: a review of the American literature and a report of twelve cases. 



Jour. Amer. Med. Assn., 1917, lxviii, 502. 

 Ehrenfried: Hereditary Deforming Chondrodysplasia: More Cases. Amer. Jour. 



Orthop. Surg., 1917, xv, 463. 



(2) Stocks : Diaphyseal Aclasis (Multiple Exostoses) . Treasury of Human Inheritance, 



Vol. Ill, Part 1, Cambridge University Press, 1925. 



