BOWMAN LECTURE. 



CLXXX1X 



conjunction with Figs. 54 and 55, which, having been published, are in- 

 serted in the Lecture (p. cxxiv). (Fig. 53 is Fig. 295 in the forthcoming 

 memoir upon albinism in man above mentioned, and is from a case sent 

 by Mr. Jameson Evans, of Birmingham.) 



Fig. 56. General albinism with both discontinuous and continuous 

 inheritance, the latter occurring where an albinotic woman marrying a 

 normal first cousin of the same stock has albinotic children. Bisexual 

 twins occur twice, and in one of them one member is an albino, the other 

 normal. (Forthcoming memoir upon albinism in man, Fig. 27, Mr. 

 C. H. Usher.) 



Fig. 57. Discontinuous and continuous descent of albinism, 

 sanguinity. (Ibid., Fig. 28, Mr. C. H. Usher.) 



No con- 



Fig. 58. Continuous and discontinuous descent. No consanguinity. 

 A normal man of the albinotic stock marries twice, both wives being 



I Deaf mute 

 f&ir. 



from unrelated stocks ; he has albinotic children by one wife, all normal 

 children by the other. (Ibid., Fig. 226, Dr. Schoute, Amsterdam). 



Fig. 59. Discontinuous descent. Albinism and deaf-mutism in 

 different members of same sibship. No history of deaf -mutism in any 

 ascendants on either parental side (father's side not shown but inquiry 

 made). No consanguinity. (Ibid., Fig. 211, Mr. Wherry.) 



Fig. 60. Marriage between two albinotic stocks that are believed to 

 be unrelated, and between one of them and a third stock containing 

 insanity and epilepsy, but no albinism. (Ibid., Fig. 30 Mr C H 

 Usher.) 



