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Titre : Philosophical transactions of the Royal society of London. B

Auteur : Royal society (GB). Auteur du texte

Éditeur : printed by Harrison and sons (London)

Éditeur : The Royal societyThe Royal society (London)

Date d'édition : 1908

Notice du catalogue : http://catalogue.bnf.fr/ark:/12148/cb34422226r

Notice du catalogue : https://gallica.bnf.fr/ark:/12148/cb34422226r/date

Type : texte

Type : publication en série imprimée

Langue : anglais

Format : Nombre total de vues : 22103

Description : 1908

Description : 1908 (VOL199).

Droits : Consultable en ligne

Droits : Public domain

Identifiant : ark:/12148/bpt6k56064p

Source : Bibliothèque nationale de France

Conservation numérique : Bibliothèque nationale de France

Date de mise en ligne : 15/10/2007

Le texte affiché peut comporter un certain nombre d'erreurs. En effet, le mode texte de ce document a été généré de façon automatique par un programme de reconnaissance optique de caractères (OCR). Le taux de reconnaissance estimé pour ce document est de 60%.

Noné of these angles appear to be of any great importance they are ail largely influencée! by the position of thé inion.

In the Gibraltar skull, which stands at a low morphological level, ail three angles, so far as can be judged in the absence of the opisthion and lambda, are comparatively small,

llie Height ofthe Omnium. – Measurements of maximum height are given below in the first column from the glabella-inion line, in the second from the nasi-inion line, in the third from the glabella-lambda line and in the fourth from the basion point to the vertex.

1

i- _1 The heights corresponding to those in the first two columns have been given for the Neandertal group on p. 286; it only now remains to add.the so-called lambda, calottal heights correspond ing to those in the third column they are as follows – Neandertal, 57 millims. Spy I, 51 millims. Spy II, 58 millims. Gibraltar, 55 millims. (?) from these numbers we ohtain an average o/ 55'2 with a variation of +2'8 and – 4'2 millims, The average of the "lambda" heights of the South Australian skulls is 652 millims., the variation +98 and – 9'2; thus the difference between the means for the twoLgroups is no less than 10 millims. and if the range "of variation was as great among the Neandertal people as among existing races they would have presented a maximum "lambda" height of 55:2 +98 millims. = 65 millims., or nearly the same as the average among the South Australian skulls, and a minimum of 55'2 – 9'2 = 46 millims., thus approaching the skull of Pithecanthropus.

The relation of the height above the glabella-lambda line to that above the basion is not without interest it is not constant, but the limits within which it varies are not excessive. This may be seen ftom the followingseries of indices obtained by' dividing the height taken from the glabella-lambda line by that taken from the Timainn ant\ miiifinlvino' hv 1 00.

o basion and multiplying by 100.

Number. -Index. Number. Index. '•̃ Number. Index. Nu'inber.. Index. _[_ I 991 49-6 993 46-9 995 47-4 4 999 48-0 992 49-3 994 52-8 [ 998 45-1 1001 50-4 992 '49'3 994 52'8 998

The average is 487 with a range ._of _e.â:6_and_ + 41.

The aver.age is 48'7 with a rangenofn=3.'ûancl+4'L.

VOL. CXCIX. – B. 2 B- ̃̃

Number. yi. vi. y\. b. Number. yi. vi. yA. b. ) | millims. millims. millims. millims. millims. millims. < millims. millims. 991 93 98 69-5 1400 995 98 100 63 133 992 99 103 69-0 1400 998 84 •; 87 56 124 993 96 100 640 138-5 999 90 .95 61 127 994 115 119 75-0 1420 1001 96 99 64 127