Statistics of variations : with remarks on the use of this method in anthropology / by Thomas Dwight.

  • Dwight, Thomas, 1843-1911.
Date:
[1895]
Catalogue details

Licence: Public Domain Mark

Credit: Statistics of variations : with remarks on the use of this method in anthropology / by Thomas Dwight. 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.

    3/8 (page 211)
    Amon« the BOO observations recorded above there are 400 which were made on both sides of 200 bodies (128 male and 72 female). It is worth while to compare the series. From I 289 = 72,25 °/n „ E 107 = 26,75 „ „I+E 4=1 Classified according to Sex. Male. Number I E I -j- E Right 128 96 = 75 % 29 = 22 °/0 3 = 2,3 °/o Left 128 93 = 72,6 „ 35 = 27,3 „ 0 Total 256 189 = 73,8 „ 64 = 25 „ 3 = 1,2 Female. Right 72 51 = 70,8 °/o 20 = 27,7 °/0 1 = 1,4 % Left 72 49 = 68 „ 23 = 32 „ 0 Total 144 100 = 69,4 ,, 43 = 29,9 ,, 1 = 0,7 yy Classified according to Side. Right. Male 128 96 = 75 °l0 29 = 22,6 <>/o 3 = 2,3 °/o Female 72 51 = 70,8 „ 20 = 27,7 „ 1 = 1,4 yy Total 200 147 = 73,5 „ 49 = 24,5 „ 4 = 2 yy Left. Male 128 93 = 72,6 °/0 35 = 27,3 % 0 Female 72 49 = 68 „ 23 = 32 „ 0 Total 200 142 = 71 „ 58 = 29 „ 0 On the whole the two series do not differ very materially, with the exception of one point. The smaller series, in which both sides of every subject were examined shows that the left sides of women furnish decidedly the largest proportion of abnormal origins. It is clear that my female series is too small to give the true average. The Relation of the Recurrent Laryngeal Nerve to the Inferior Thyroid Artery. The first volume of the Anatomischor Anzeiger contains a small series of observations on this point, which is not included in the following series. Number of observations Artery in front in Nerve ,, „ „ Mixed No artery 437 226 = 51,7 °/0 157 = 35,9 „ 48 = 10,9 „ 6 = 1,3 „ 14*