Congenital Anomalies of the Heart 53 



Peters (1904), Lubs (1911). The average age is 2 months 4 days if 

 Hickman's case which Hved for 28 years is excluded. 



VII. Patent Ductus Arteriosus 

 (No Other Lesion) 



Houzelot (1827), Gibert (1832), Rees (1848), Bernutz (1849), Luys 

 (1855), WiUigk (1854), Hare (i860), Saunders (i860), Smith (i860), 

 Metcalf (1861), Duroziez (1862), de Bary (1864b), Fogge (1873), Wal- 

 sham (1877), Francais-Franck (1878), Malherbe (1880), Holt (1883), 

 Livingston (1883), Foulis (1884), Darier (1885), Gilbert (1886), Murray 

 (1887), Hochhaus (1892), Stembo (1894), Drasche (1898), Gerard (1898), 

 Wagner (1903), Britfauer (1905), Pansch (1905), Wells (1908), Good- 

 man (1910), Mead (1910), Kingsley (1911). 



(a) With Pulmonary Stenosis. 



Hare (1853), v. Etlinger (1882), Ashby (1884). 



(b) With Transposition of Aorta and Pulmonary Artery. 

 Stoltz (1851), Klumpke (1887). 



VIII. Trilocular Heart, Tivo Ventricles and One Atrium 



This group is an abstract from the preceding cases in sections 

 of defective ventricular and atrial septa for the benefit of the 

 clinical reports on " Trilocular Heart." 



Mery (1700), Ring (1805), Cheever (1821), Martin (1826), Cerutti 

 (1827), Darrach (1857), Almagro (1862), Cameron (1871), Maier (1876), 

 Marchand (1881), Chapatot (1889), Birmingham (1892), Probyn- Williams 

 (1894), Cade (1897), Ewald (1898), Rudlof (1900), Blondel (1901), 

 Griffith (1902), Chartier (1905), Bernstein (1906), McCrae (1906), Car- 

 penter (1908) (1909), Metzger (1911). 



§ XVIII. GENERAL SUMMARY 



The preceding study was undertaken as a part of the w^ork of 

 examining the developmental anomalies of the circulatory sys- 

 tem ; in this relation it does not appear that the heart is any more 

 susceptible to growth disturbances than other parts of the system. 

 The importance which heart anomalies have gained is due to 

 their effect on longevity and individual well being. 



Factors disturbing the orderly development of different parts 



