BOWMAN LECTURE. CXXXI 



several years later and recorded in his work on colour- 

 vision.^ 



This case is given as two separate cases by Grunert, one 

 attributed to me, the other to Abney. Fig. 63 shows 

 another case carefully gone into by Mr. Holmes Spicer 

 and myself several years ago, in which the father probably 



IL, 



HL 



had the same disease. The last case 1 know of (Fig. 64), 

 has been given to me recently by Mr. Holmes Spicer, with 

 very careful and detailed notes taken by Dr. W. C. Souter 

 in 1908. One girl and two boys, ast. from 8 to 6 years (IV, 

 4, 5, 6), are affected in a sibship of 8; only one other, a 



boy, aet. 3 years, has lived, and he appears normal ; two died 

 at 3 months, one at birth, and one was a miscarriage; no 

 reason to suspect syphilis; parents second cousins through 

 their mothers, who were first cousins. No other cases 

 known in a fairly extensive pedigree. Family from 

 Dorsetshire. 



* Abney, Colour Vision ("The Tyndall Lectures," 181J4), 1895, p. 126. 



