CONTENTS. 
CHAPTER I. 
PAGE 
Introductory ........................ 1 
CHAPTER IT. 
Processes in Heredity................... 4 
Natural and Acquired Peculiarities, 4.—Transmutation of Female 
into Male measures, 5.—Particulate Inheritance, 7.—Family 
Likeness and Individual Variation, 9.—Latent Characteristics, 
11.—Heritages that Blend, and those that are mutually Ex¬ 
clusive, 12.—Inheritance of Acquired Faculties, 14.—Variety 
of Petty Influences, 16. 
CHAPTER III. 
Organic Stability...................... 18 
Incipient Structure, 18.—Filial Relation, 19,—Stable Forms 20.— 
Subordinate Positions of Stability, 25.—Model, 27.—Stability 
of Sports, 30.—Infertility of Mixed Types, 31.—Evolution 
not by Minute Steps only, 32. 
CHAPTER IV. 
Schemes of Distribution and of Frequency......... 35 
Fraternities and Populations to be treated as units, 35.—Schemes 
of Distribution and their Grades, 37.—The Shape of Schemes 
is independent of the number of Observations, 44.—Data for 
eighteen Schemes, 46.—Application of Schemes to inexact 
measures, 47.—Schemes of Frequency, 49.