64 Gen. Sub. 
I. GENERAL SUBJECTS. 
from matter to man, with theory of the factors; Dewar (171).—Influence 
of the nervous system in evolution; Licorish (452).—Heterogenesis and 
evolution ; Korshinsky (412).—Controversial discussion bearing on evolu¬ 
tion-problems ; Argyll (22), Meldola (526 & 527), Spencer (736).— 
Principles of differentiation ; Busquet (100).—Atavism and laws of con¬ 
vergence ; Lombroso (478).—Reconsideration of Lamarck’s theories; 
Licorish (450).—Chance and evolution; Licorish (451).—Headley (314). 
Struggle for existence:—Relations between insects and birds ; Levat 
( 447).—Struggle of parts illustrated in the post-embryonic history of 
muscle; Meek (518 & 519).—Confirmation of some of EimePs conclusions 
as to development of coloration; von Linden (455 & 456).—Evolution and 
the question of chance; Headley (314).—Darwinism and Lamarckism, 
old and new; Hutton (367).—Neo-Darwinians; Le Dantec (436).—Plan 
of creation, anti-evolutionary; Waagen (801).—Anti-evolutionist; Leport 
(446). 
b. Variation. 
Heredity and variation ; Mark Baldwin (35).—Species and variations ; 
Barthe (44).—Pathological growth; Beneke (56).—Conspicuous dimen¬ 
sions tend to be more variable than other dimensions, e.g. the nose more 
than the rest of the face; Brewster (85).—Discussion of the category 
‘variety’; elimination of false ‘varieties’; concrete instance Helix poruatia ; 
Buchner (91).—Interpretation of organic variations; Cunningham (145). 
—Pocket-book of tables etc. for use in the statistical study of variations ; 
Davenport (156).—Introduction to the statistical study of variation; 
Duncker (189).—Nature and results of the statistical study of variations; 
Duncker (190 & 191).—Review of Heincke’s work on the variations of the 
herring; Duncker (192).—An extension of the method of treating 
variations, with examples and certain conclusions; Kyle (420).—Von 
Baer on individual embryonic variations; Mehnert (520).—Summary as 
to variation; Mehnert (524).—Progressive reduction of variability; Rosa 
( 669).—Summary as to degenerative changes; Schwalbe (707).—Dis¬ 
cussion of variation; Sedgwick (712).—Variation of species; Sharpe 
(72!). 
Polydactylism in fowls; Anthony (19).—Abnormalities of the uro¬ 
genital system; Born (79).—-Is polydactylism atavistic? Debierre (158). 
—Senile degeneration; Metchnikoff (531).—The natural in disease; 
Moore (545).—Reversion ; Thomson (763).—Some variations in coloration 
and some monstrosities in birds and mammals; Van Kempen (782).— 
Phylogenetic senescence; Wiedersheim (835).—Report on recent terato- 
logical literature; Windle (843). 
Diminution and increase of parameres, and other variations in Aurelia 
aurita ; Ballowitz (37).—Larval lamprey with three points to the tail; 
Barfurth (42).—In man; Brewster (85).—‘Variety,’ its meaning, 
illustrated in reference to Helix pomatia\ Buchner (91).—Variations and 
adaptations of Swiss fishes; Fatio (218).—In salt marshes of Lorraine; 
Florentin (240).—Orthogenetic variation in the shells of Chelonia: 
Gadow (257).—Dimorphism and polymorphism in butterflies ; Lyman 
( 485).—What is the reason of the great variation in cuckoo’s eggs ; Rey 
( 654).—Variation of Piraephales notatus ; Voris (799).—In head-shields of 
Snakes; Werner (824).—Variability and correlation of the hand ; 
Whiteley & Pearson (831). 
c. Modification: Environment and Function. 
Effects of chemical and physical agents upon growth; Davenport (155). 
Action of salts on Infusorians; Balbiani (34).—Action of salt solutions 
