Ù52 l\ i;(lM'KIiF,\<;K IMKU^ATKtNAI.K W. (.KNKTK.H K. 



ones. Whcio llicrc i>; llic loasl douM m< lu llio inili\ iilu.il Ix-inti- normal or 

 abnornial llir liiclr is |iiil in l)rackelh^, ami nin<l iiol lie cinintiMl in rcckonint;- 

 llie numoriral raiio of normals and abnorinals. 'l'Iie scliool iiuv alioul wlioin 

 Ihe firsl inquirios wcre maile is No 21 and il is scen llial iiol oniy is a \iiiint(ci- 

 sister (22) of lli<' samc Ivpc. l>nl llic molhcr also ( li) and llial il was noi " Iho 

 grandfallier on llic fallicrs sidc " but Llic malernal grandmothorfNo 7) v, Ik» liad 

 transmillcd llic al)nornialil\ . 



I discovcrcd Hi snrvivini; almurnial niciiilicLs ol' llic laniily .indliaNc iii- 

 Lerviewed cacii of llicni. biil regret lo say ihal in sonic cases I was nul allowed 

 to tako any mcasureinenls. 



Wlial is llie condition of Ihe liands'.' Ihc ahnormalily rcsend)les in many 

 respects tliat described in my previous papei- "an acconnl of a Bracliydaclylous 

 l'aniily " : whilst therc arc othcr fealurcs in \\lii(li il difi'ers. The finii^crs are 

 not so sborl as those of Ihe former famiiy. and for Ihis reason I propose lo 

 term the condition " Minor-lîracliydaclyly ". 'Ihe former famiiy will lie refor- 

 red lo as N" I fainily. 



Fig. 5 shows Ihe hand oC Ihe boy (21) liesid(,' Ihal of a normal bnilher who 

 is Iwo ycars his junior (N" 2 1 a •. The brachydaclylous ccindilioii is siil'iicienlly 



Mi-mliprs (,!' N" I Iniinlv. TIm' lu 



obvions, bnl Ihal it is noI so marked a> in N" I famiiy is shown by comparing 

 ligiirc i which is laknn from my formel' papcr. As Ihe boncs of this boy liands 

 are noI yel fnlly ossified. il will be well, before describing Iheni from radio- 

 grapli, lo point ont the peculiarily as scen in Ihc handsofan adull relative, 

 and for this purpose I shall sélect the radiograph of an aunl (No '.Ij. Fig. u. 



