BOWMAN LECTURE. CXCI 



(7) E. N., unpublished, St. Thomas's Hospital out-patient, Octo- 

 ber 24th, 1881 (Simpson). (Fig. 183.) 



Ill, 1, set. 3| years, fair complexion, choroid pale around O.D., but 

 fundus normal, marked lateral nystagmus ; healthy ; did not have 

 ophthalmia neonatorum ; is thought by mother to be " short-sighted." 

 Refraction not recorded. Ill, 2 treated for ophthalmia neonatorum at 

 St. Thomas's ; saw well, and had steady eyes ; died of convulsions ; no 

 note of sex or colour of hair and eyes. II, 6 mother, set. 22 years, normal 

 eyes, some H., colour of hair and eyes not noted. Her 3 brothers and 



II, 1, a son of a sibling (I, 1) of her mother (I, 2) had moving eyes like 



III, 1 ; her sisters (II, 2), number not given, had steady eyes. 



(8) Jameson Evans, Fig. 53 above described. 



(9) Dr. R. J. Smyth and E.Nettleship (1907). (Fig. 184.) 



I, 1 and 2 lived to 70 and 65, not consanguineous ; II, 1 operated by 



E. N. for glaucoma when 35 ; II, 2 died at 35 ; II, 3, 4 and 5 steady eyes ; 



II, 6, 7 and 8 set. 35, 32, and 30 years, nystagmus and more or less As., 



with defective vision (^ 6 T to % corrected) ; irides of these 3 grey with 



pigment at sphincter circle ; fundus not suggestive of albinism in any ; 

 II, 7 has reddish-brown hair which was lighter formerly. There are 

 about 20 children in III, all said to have good sight and steady eyes (not 

 shown in Figure). 



The above 9 pedigrees contain 43 cases of nystagmus, 40 males, 3 

 females ; and in the same childships about 65 to 70 normals, viz.. 20 males 

 and 45 to 50 females, total 109 to 114. 



(&) DAY-BLINDNESS WITH COLOUR-BLINDNESS. 



The family cases known to me are the following : 



(1) Nettleship, St. Thomas's Hospital Reports, x, 1880. (Family 1, 

 Foster.) Qiioted in text of Lecture, p. cxxix, with Fig. 61. 



