Abstract

References
1.
Brash
J. C.
(1924 ) The Growth of the Jaws and Palate. The Genesis and Growth of Deformed Jaws and Palate . London .
2.
Brash
J. C.
(1926 ) Dent. Rec ., 46 , 641 .
3.
Brash
J. C.
(1934 ) Edinb. med. J ., 41 , 305 .
4.
Broadbent
B. H.
(1943 ) (see Salzmann, 1943).
5.
Broadbent
B. H.
(1941 ) Univ. Penn. Bicentennial Conference, Univ. Penn. Press , p. 31 .
6.
Broadbent
B. H.
(1943 ) (see Dewey and Anderson, 1943, p. 210 ).
7.
Charles
W.
(1934 ) Dent. Rec ., 55 , 297 .
8.
Dewey
M.
Anderson
G. M.
(1943 ) Practical Orthodontics , London . Sixth Edition , p. 128 .
9.
Friel
S.
(1926 ) Trans. 1st International Orthodontic Congress , p. 138 .
10.
Friel
S.
(1938 ) Dent. Rec ., 58 , 233 .
11.
Friel
S.
(1942–43 ) Dent. Rec ., 64 , 25 .
12.
Humphry
G. M.
(1866 ) Trans. Camb. Phil. Soc . 11 , pt. 1 , p 1 .
13.
Hunter
J.
(1771 ) Natural History of the Human Teeth . London , First Edition .
14.
Hunter
J.
(1778 ) Natural History of the Human Teeth . London , Second Edition .
15.
Salzmann
J. A.
(1943 ) Principles of Orthodontics . Philadelphia .
16.
Symington
J.
Rankin
J. C.
(1908 ) Atlas of Skiagrams . London , p. 27 .
17.
Turner
J. G.
(1934 ) Brit. dent. J ., 56 , 623 .
