K. Pearson and A. Lkk 



359 



VA iM I LV MEASUREMENTS. 



Profcs.siir K.Mti, I'kahsdn, u( University Colloge, London, would estecni it ii gi-ciit favoui- if any 

 ])oi-.s(in.s in n position t.o do so, would ausist liim hy nial<iiig one set (or if possilJe several sct») of 

 anthroponioti'ic nicasuronicnts on tlicir own t'aniily, or im families with whotn tliey are acquaintcd. 

 Tlio nicasurcnients aiv to l.f mailr tisc nf t'ny tosting theorics of hcredity, no naines, except tliat 

 of tlie recordcr, are iviiuiivd, Imt tli<^ i'rofcsscii- trusts to the hona fulcx of cacli rccordor to send 

 only correct rcsults. 



Each family slmuld consist of a fatlici-, niotlier, and at least one son or daughter, not 

 necessiirily tlio eldcst. Tlie sons or dauglitcrs aro to be at least 18 years of age, and measure- 

 ments arn to be made on not moi'e tlian two sons and two daughters of the samc family. If more 

 than two sons or two daughters ai'o easily accossililo, tluMi not the tallest but the eklest of those 

 accessible shonld be selocted. 



To be of real Service the whole series oiight to contain 1000 — 2000 fanailies, and thercforc the 

 Professor will be only too grateful if anyone will undertake sevoral families for him. 



Copios of this paper, together with cards for reoording data, may be obtaincd from 



or from the above-named Professor. 



The measurements required in the case of each individual aro to be to the nearest quarter of 

 an inch, and to consist of the following : — 



(I.) Height. — This measureuient shonld be taken, if possible, with the person in stockings, 

 if she or he is in boots it should be noted. The height is most easily measured by pressing 

 a book with its pages in a vertical -plane on the top of the head while the individual Stands 

 against a wall. 



(II.) Span (if Arms. — Greatest possible distance between the tip of one middle finger and the 

 tip of the other niiddle finger, the individual standing upright against a wall with the feet well 

 apart and the arnis outstretched, — if possible witli one finger against a doorpost or curiier of the 

 room. 



40 -2 



