THE FORMATION OF A DEAF VARIETY OF THE HUMAN RACE. 



207 



had a numerous faiuil.v, all of whom could hear. One of his sons niarricid his cousin, also a hearing- 

 ptTson, )inil till of their fiiu; chUdrrn are deaf mntcny 



In 1870 Mr. Benjamin Talbot, then jiriiu-ipal of the Iowa Institution, iJiihlished in the Ainciican 

 Annals of the Deal and Dumb (vol. xv, p. US) an account of some faaiilies of deaf-mutes residing 

 in his State. One or two of the most remaiUable cases may be noted which are of a inirticularly 

 suggestive character. 



O Indicates a Iiearin j person. 

 ^ Indicates a dcafniutH. 



Tlic Lurher TPaniilu 

 Iowa. 



1 



{Father had d^af and dumb 

 relatives in Indiana) 



l^o infofnutiion conceminq the descendants) 



Fig. 3. — Tlie Lurber family of Iowa. 



The Tjurher fnmili/, of Iowa (Fig. 3). — "The father is a deafmute, without education, who came 

 to Iowa from Indiana, where there are, or have been, several deaf-mute ridatives. Of twelve 

 children in this family only one, and she the eighth, was born deaf. Four others, the fourth, fifth, 

 sixth, and ninth, have lost their hearing in whole or in part, and have been sent to school here 

 (Iowa Institution)." 



Sutton.' 



'0 



Sisters 



O InHic'ites a heariiiix person. 

 ^ Tmlicatea a partially deaf person. 

 © Indicates a (loaf-mute. 

 = Indicates marria;;e. 



[married I 



TmS 



Cousins \ 

 marrifdl 



© © 



'All the hrotJu'rs and^ 

 sisters became deaf, 

 or hard uf hfarinq 

 earlif in life. 



6 5 i o 5(5 5 S i < 



(JSb information t<oncemina the descendants.) 



Yu:. 4. — The Huston family ot" Iowa. 



The Eusfon famiiy. of Iowa (Fig-. 4). — ''Tliere liave been ten children in this family, of whom 

 the third and eighth lost their hearing l>y disease, while the sixth, ninth, and tenth were born deaf. 



