Kathleen V. Ryley and Julia Bell 
429 
TYPES OF THE NASAL BRIDGE. 
15 16 17 
Hylobates. Hylobates. Hylobates. 
15 = Hypersimotic Mesogephyrosis. 16 — 17=Simotic Leptogephyrosis. 
18 
Orang-utan. 
18 = Simotic Leptogephyrosis. 
19 20 
Natives of Moluccas. 
19 — 20 = Simotic Mesogephyrosis. 
21 22 
Natives of Sumatra. 
21— 22 = Simotic Leptogephyrosis. 
23 24 
Aino. Aino (Variant). 
23 — 24 = Mesotic Mesogephyrosis. 
25 26 
Nubian. Nubian (Variant). 
25 — 26 = Mesotic Leptogephyrosis. 
27 
English. 
29 
Veddah. 
31 
Egyptian. 
33 
Hindoo. 
28 
English. 
30 
Veddah. 
27 — 28 = Stenotic Mesogephyrosis. 
32 34 
Egyptian. Hindoo. 
29—34 = Stenotic Leptogephyrosis. 
It has not always been possible to select a nasal bridge with the mean values of both <j> and 0', and the 
typical form will hardly be realised even from two or three cases. 
Biometrika ix 55 
