Licence: In copyright
Credit: Three new pedigrees of eye disease / Nettleship. Source: Wellcome Collection.
Provider: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.
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![b22431202 C ' =r TRACTS 1617(10) E Q. C Q) o vo C3 ISirsil a63987 i AFFECTING DIFFERENT MEMBERS OF THE SAME PEDIGREE. 233 nothing about night-blindness in him. We may therefore take it that II, 3 had either retinitis pigmentosa or lamellar cataract, probably the latter (he is therefore marked with the alternative on the chart Fig. 19) ; of his live brothers, one (II, 2) went to Australia, and one (11, 4) left only two children who had no progeny. Next, the 10 females marked II, 12, first cousins of II, 3, are said to have had “ very close sight and could not wear glasses,” and I have therefore marked them as perhaps having partial cataract; this information is from their niece, III, 44, set. 62 years; she herself has clear lenses, but her youngest child, set. 20 years (IY, 102) shows a large thin lamellar cataract in his L., the R. one having been needled by Mr. Rolston, and her eldest (IY, 99), mt. 34 years, has proesenile opacities. [The following gentlemen kindly examined for me the cases indicated : Mr. Chetwood-Aiken (Truro). Cases IV, 1, 2, 4, 19, V, 28, 29, 30, 31, and took much trouble to re-examine III, 18. Mr. Rolston (Plymouth), IV, 9 and V, 14, 15, 16. Mr. Elliot Square (Plymouth) V, 35— 42. Mr. John Rowan (Glasgow) IV, 12 and V, 20-27. I have also to thank Sir Anderson Critchett and Mr. Hartridge for information about III, 30, IV, 73 and IV, 61.] I, 1, 2, 3. No information. I, 2, had 13 sibs. ; most of the 14 lived to be old and had good V. so far as is known. 4. No information. 5. “Captain” Johnson S—, had good sight according to report. 6. “Captain” Tom S—, brother of 5, kept an inn; believed to have had good sight; killed by kick from a horse. Had 13 children (II, 9—12). 7. Catherine. Appendix. The S— Pedigree L](https://iiif.wellcomecollection.org/image/b22431196_0015.jp2/full/800%2C/0/default.jpg)
