REPRODUCTION, SEX, ETC., EVOLUTION. Gen. Sub. 53 
ance; Pierret (568). — Heredity and neurosis; Savage (639). — Inherit- 
ance of tendencies and anto-natal fatigue ; Tissue (709). 
Inheritance of acquired characters or modifications: — Pritchard and 
acquired characters; Poulton (576), Webb (756). — Inheritance of acquired 
characters; Mehnert (490), Cope (131), Macfarlane (468), Reh (600). — 
Congenital and acquired characters; Reid (602). — Humps and callosities 
of camels considered in connection with the transmission of acquired 
characters; Cattaneo (106). 
The relation of acquired modifications to heredity; Tayler (700). — 
Relation of function and inheritance ; Thilo (706). 
Curious case of crossed inheritance ; Sanson (638). 
Definitions of tradition ; Lloyd Morgan (520). — Social heredity ; Bald- 
win (19). — The law of reversionary inheritance; Kohlbrugge (406). — 
Atavism; Kohlbrugge (407). 
Note on telegony ; Ewart (200). 
Question as to the transmissibility of immunity ; Lustig & Galeotti 
(460). 
Transplantation of mammalian ova to a uterine foster-mother ; Heape 
(325). 
Influence of the mother on the offspring; Johansson & Westermark 
(377), Ballantyne (23). 
9. Evolution. 
a. General. 
Discussion of variation and selection ; Pearson (553). — Karl Pearson on 
evolution; Weldon (761). 
Pioneers of evolution from Thales to Huxley; Clodd (121). — Factors 
in organic evolution; Cattaneo (107). — Cope’s factors of evolution; 
Bather (39). — Popular exposition of ovolution doctrine; Haacke (305). — 
Problems of nature, translation of some of Jaeger’s papers; Jaeger (371). 
Orthogenesis, or definite cumulative variation; a theory of , the origin of 
species; Eimer (178). — Ninth edition of Schopfungsgcschichte ; Haeckel 
(307). — Neo- Lamarckian theories; Le Dantec (433). — Pritchard’s anti- 
cipation of modern negation of the transmission of acquired characters; 
Poulton (576). 
Retrogressive evolution among organisms and in society; Demoor, 
Massart & Vandervelde (158). — Atavism and the evolution -theory ; 
Kohlbrugge (407). 
Influence of the cooling of the earth on animal evolution ; Quinton 
(588). 
Mr Herbert Spencer and Lord Salisbury on evolution ; Argyll (11): 
Answer to last ; Spencer (668). — Evolution problems and the first cause ; 
Ferri^re (221). — Darwinism and design; Schiller (650), Perry Coste 
(134). 
b. Variation. 
Statistical study of variation ; Pearson (553 & 554). — Progress in the 
study of variation ; Bateson (37). 
Degeneration, summary as to ; Barfurth (34). 
Polydactylism in Mammals due to pressure of amniotic folds, therefore 
really a modification; Tornier (710). 
Cases : — 
A measure of variability and the relation of individual variations to 
specific differences; Brewster (87). 
Homoeotic and meristic variations in the vertebral column of Necturus ; 
