M. L. TiLDESLEY 
233 
No. of 
Inner palate 
o It"!! I la 
Burmese ... 
129 
5-4 % 
0-8 % 
Europeans 
1193 
2-3 % 
0-5 % 
Asiatics 
688 
12-8 % 
2-6 % 
Australians and South Sea 
Islanders 
64 
7-8 % 
4-7 % 
American Indians (N. and S.) 
122 
1-6 % 
9-7 % 
0-0 % 
Africans 
123 
7-3 % 
Ancient Egyptians ... 
384 
4-7 % 
0-0 % 
The conclusion which. Adachi himself draws is as follows: " Jedenfalls geht aus 
meinen Ausgaben vor, dass die Canalbildnngen der Gefassfurchen am harten Gau- 
men bei Europaern und Amerikanern liberhaupt selten, dagegen bei Asiaten, 
Austrahern, und Siidsee-Insulanern und Afrikanern (Altagypter ausgenommen) viel 
haufiger vorkommenf." 
It will be seen that the Burmese figures are not of the same order as those given 
by Adachi for "Asiatics," and do not support the inference which he makes. 
The palate was also examined for palatine torus, a thickening of the bone on 
both sides of the median suture; only two cases were found, and neither extreme. 
Base of the pyriform aperture. The moulding of the base of the pyriform aper- 
ture has been mentioned as being one of the characteristics which influenced our 
classification of the skull. There is therefore included in the "Remarks" a brief de- 
scription of this character for each skull in which the bones of the face were not 
broken away. For brevity this feature has been indicated by the letters P.B., and 
the description has reference first to that part of the floor of the nasal cavity which 
hes immediately behind the lower edge of the aperture, and secondly to the edge 
itself. The floor of the cavity is variously described as "flat" — in which case it 
may be assumed to be approximately horizontal as well — or "sloping upwards 
and outwards," or "downwards and outwards"; the edge itself is described as 
sharp, blunt or rounded, and if it is double, with a groove between its two parts, 
this also is mentioned. In some cases the floor of the cavity is so rounded as to 
form part of an almost unbroken curve with the rounded lip : such a case is described 
shortly as P.B. rounded, or V. rounded. 
Taking into consideration the form of the edge alone, one finds the following 
distribution among our groups: 
Tjrpe of edge 
A? 
BO 
c? 
Sharp 
H* 
8 
4J* 
8 
3 
9 
Blunt 
6 
16 
2 
6 
1 
3 
Rounded 
18J* 
5 
n* 
1 
3 
4 
V. rounded 
9 
3 
1 
1 
* The "i" is due to skulls in which the lower border of the pyriform is "rounded" on the if, "sharij" 
on the L. 
t B. Adachi, loc. cit. p. 203. 
