IV 
Contents 
Miscellanea. 
(i) Change in Organic Correlation of Ficaria ranunculoides during the 
Flowering Season ........ 
(ii) Statoblasts of Pectinatella Magnifica ..... 
(iii) Variability, Symmetry and Fertility in an abnormal Species . 
(iv) Variation in the Egg of Passer domesticus .... 
(v) Note on Variation in Leaves of Mulberry Trees 
(vi) On the Modal Value of an Organ ...... 
(vii) On the Change iu Expectation of Life in Man during a Period of 
circa 2000 years ......... 
(viii) Note on Local Death-Rates ....... 
PAGE 
125 
128 
255 
256 
258 
260 
261 
384 
Plates. 
Frontispiece. Ignoramus, in hoc signo laboremus. Statue of Charles Darwin 
by Hope Pinker presented to the University of Oxford by Professor E. B. 
PouLTON, F.R.S. Reproduced from a negative by Mrs E. B. Poulton 
and presented to Biometrika by L. S. 
Plate I. Colour Scale in Hybrid Peas ..... to/ace p. 254 
Plate II. Photographs of Wrinkles in Hybrid Peas . . „ 254 
Plate III. Embryos of Fowl with modified Amnion . . „ 267 
Plate IV. Craniometrical Apparatus ..... „ 414 
Plate V. Male Naqada Crania ...... to follow p. 434 
Plate VI. „ „ „ 434 
Plate VII. Female Naqada Crania ..... „ 434 
Plate VIII „ „ ,,434 
Plate IX. Abnormal and special Naqada Crania ... „ 434 
Plate X. „ „ „ . . . „ 434 
Naqada Cranial Measurements, Tables I — VIII. 
to face p. 466 
Subject and name indices will he issued every few years embracing several 
volumes. 
