legony, 108

Tibia and fibula, 48, 137

Time, enormous lapse of, in geological epochs, 25, 140

Tortoise, 146

Transitional forms, _see_ Forms

Trigonia, 147 _n._, 199

Tree-frogs in treeless regions, 131

Type, unity of, 38, 214;
uniformity of, lost in Plesiosaurus, 217;
persistence of, in continents, 158, 178

Uniformitarian views of Lyell, bearing on evolution, 249

Use, inherited effects of, _see_ Characters, acquired

Variability, as specific character, 83;
produced by change and also by crossing, 105

Variation, by Sports, _see_ Sports;
under domestication, 1, 57, 63, 78;
due to causes acting on reproductive system, _see_ Variation, germinal;
--germinal, 2, 43, 62, 222;
individual, 57 _n._;
causes of, 1, 4, 57, 61;
due to crossing, 68, 69;
limits of, 74, 75, 82, 109;
small in state of nature, 4, 59 _n._, 81, 83;
results of _without_ selection, 84;
--minute, value of, 91;
analogous in species of same genus, 107;
of mental attributes, 17, 112;
in mature life, 59, 224, 225

Varieties, minute, in birds, 82;
resemblance of to species, 81 _n._, 82, 105

Vertebrate skull, morphology of, 215

Wildness, hereditary, 113, 119

CAMBRIDGE: PRINTED BY JOHN CLAY, M.A. AT THE UNIVERSITY PRESS

+--------------------------------------------------------------+
| Transcriber's Notes & Errata |
| |
| Inline transcriber's notes are enclosed in curly brackets. |
| |
| Footnote anchors and labels are enclosed in curly brackets. |
| |
| The footnotes have been renumbered consecutively. |
| |
| Because of this, the changed footnote numbers are appended |
| in curly brackets to the internal cross-references. |
| |
| Superscript letters are denoted by a preceding caret e.g., |
| d^o |
| |
| 'oe' ligatures have been rendered as separate letters. |
|