IV 
Contents 
PAGE 
XVII. 
XVIII. 
On Hereditary Deafness. A Discussion of the Data collected by 
Dr E. A. Fay in America. By E. Schuster, M.A. . . . 465 
On the Correlation between Vaccination and Smallpox in the 
London Epidemic, 1901-2. By F. M. Turner, M.D. . . . 483 
Miscellanea. 
(i) Per la risoluzione dalle curve diraorfiche. Nota del Dr Fernando 
DE Helguero 230 
(ii) Albinism in Sicily. By W. Bateson, F.R.S 231 
(iii) Notes on Statistical Processes. By W. Palin Elderton . . . 374 
(iv) On the Distribution of Severity of Attack in Cases of Smallpox. By 
Karl Pearson, F.R.S 505 
(v) On the Mean Duration of Life of Individuals Dying within a Year 
after Birth. By Raymond Pearl, Ph.D 510 
Parts I. 
(i) 
(ii) 
(iii) 
Part III. 
(i) 
(ii) 
(iii) 
(iv) 
(V) 
(vi) 
Part IV. 
(i) 
Plates. 
AND II. 
Coat-Colour in Mice ...... 
Longitudinal and Horizontal Sections of Crania . 
Skull and Skeleton of a Man of 25 years with 
hydrocephalus ....... 
Long Barrow Crania. 
Round Barrow Crania. 
Long Barrow Crania. 
Round Barrow Crania. 
Long Barrow Crania. 
N. verticalis 
N. verticalis 
N. lateralis 
N. lateralis 
N. facialis* 
Round Barrow Crania. N. facialis 
Petal Colours in the Shirley Poppy 
to follow p. 6 
116 
352 
between pp. 394, 395 
Tables. 
Part III. 
Tliree folding Tables of Measurements of Long and Round Bari'ow 
Crania ......... to follow p. 354 
Subject and Name Indices to the first five volumes will appear with the 
next volume. 
* By an unfortunate slip of the engraver, this plate is erroneously entitled Round Barrow Crania. 
N. facialis. 
