Transactions . durinar the last three or four months has himselfexamined the eyes of 150 or more members of the Coppockstock. Our attention was originally drawn to the familyby Mr. Doyne, who saw and described the first case(IV, 6), William Coppock, senior, in 1888, at the OxfordEye Hospital, another (V, 25) in 1891, a third (V, 9)in 1895, and probably a fourth (V, II) in 1896. Butthe greater number have been discovered by Mr. Ogilvieduring1 the last few months. We have to thank ^ Mnekay, of Edinburgh, and Mr. Hill Griffith, ofManchester, for their kindness in examining two smallgroup
Transactions . durinar the last three or four months has himselfexamined the eyes of 150 or more members of the Coppockstock. Our attention was originally drawn to the familyby Mr. Doyne, who saw and described the first case(IV, 6), William Coppock, senior, in 1888, at the OxfordEye Hospital, another (V, 25) in 1891, a third (V, 9)in 1895, and probably a fourth (V, II) in 1896. Butthe greater number have been discovered by Mr. Ogilvieduring1 the last few months. We have to thank ^ Mnekay, of Edinburgh, and Mr. Hill Griffith, ofManchester, for their kindness in examining two smallgroups of Coppocks living near those cities ; bu1 none ofthose, nine in number, are affected. Through the kindnessof Mr. Doyne and Mr. Ogilvie 1 have laid the opportunityof seeing several of the cases nt the Oxford Eye Hospital,lint my share in the present paper has consisted in little fttnliftT C<m$«mtql CaTarttcT - CofrfrotK of Headman Quftrrj — [~MT MenWh OailvU tftpril l?ofrW«d Rtv H f JohntTont (^t^HQ)]. -id (rj l»M«kcri (—•) a» cotton 2j ./i/A .^.-«.[ .-. ? .r., ,„?«., ,,;r. \i;\ CONGENITAL CATARACT. 193 more than suggesting thai the family history was worthfully working <»ut. The whole race seems healthy, is fairly prolific andintelligent, and has held its own and multiplied largelywithout, in the main, spreading far afield. Thus of thepresent population of the village of Headington Quarry,numbering 1500, at least 300 are descended from theoriginal John Coppock, and others are scattered in neigh-bouring villages. We were therefore prepared to 6ndthai consanguineous marriage had been common, and fellsome hope thai the history might throw light upon thequestion whether consanguinity is in itself a cause ofdegeneracies. This hope has been bui verv partially realised,for only live instances of cousin-marriage have beenproved in the entire pedigree, and they throw no decidedlight on the general question just raised. In regard tothe influence of consan
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