INDEX 
teur, 288; Pouchet, 286; Spallan- 
zani, 282; Tyndall, 290 
Steno, on fossils, 322 
Straus-Diirckheim, his monograph, 
96; illustrations from, 101 
Suarez, and the theory of special 
creation, 410 
Swammerdam, his Biblia Nature, 
73: illustrations from, 74, 76; 
early interest in natural history, 
68; life and works, 67-77; love 
of minute anatomy, 70; method of 
work, 71; personality, 67; por- 
trait, 69; compared with Malpighi 
and Leeuwenhoek, 87 
System, Linnean, reform of, 130- 
138 
Systema Nature, of Linnzus, 121, 
127 
T 
Theory, the cell-, 242; the proto- 
plasm, 272; of organic evolution, 
345-368; of special creation, 410 
Tyndall, on spontaneous generation, 
289; his apparatus for getting op- 
tically pure air, 290 
Type-theory, of Cuvier, 132 
U 
Uniformatism, and catastrophism, 
331 
Vv 
Variation, of animals, in a state of 
nature, 382; origin of, according 
to Weismann, 396 
Vesalius, and the overthrow of au- 
thority, in science, 22-38; great 
book of, 30; as court physician, 
35; death, 36; force and inde- 
pendence, 27; method of teaching 
anatomy, 28, 29; opposition to, 
469 
34; personality, 22, 27, 30; phys- 
lognomy, 30; portrait, 29; pred- 
ecessors of, 26; especial service 
of, 37; sketches from his works, 
31; 331 34, 49 
Vicq d’Azyr, 146; portrait, 147 
Vinci, Leonardo da, and fossils, 322 
Virchow, and germinal continuity, 
225; in histology, 174; portrait, 
174 
Vries, Hugo de, his mutation theory, 
403; portrait, 403; summary of 
theory, 406 
W 
Wallace, and Darwin, 420; his ac- 
count of the conditions under 
which his theory originated, 427; 
portrait, 428; writings, 427 
Weismann, the man, 399; quotation 
from autobiography, 401; per- 
sonal qualities, 399; portrait, 400; 
his theory of the germ-plasm, 392- 
399; summary of his theory, 405 
Whitney collection of fossil horses, 
355 
Willoughby, his connection with 
Ray, 115 
Wolff, on cells, 240; his best work, 
211; and epigenesis, 205; and 
Haller, 211, 214; opposed by 
Bonnet and Haller, 211; his pe- 
riod in embryology, 205-214; per- 
sonality, 214; plate from his 
Theory of Generation, 209; the 
Theoria Generationis, 210 
Wyman, Jeffries, on spontaneous 
generation, 289 
Z 
Zittel, in paleontology, 338; por- 
trait, 339 
