| Fig. | Page | |
|---|---|---|
| 320 . | Head of Ovis Ammon , shewing St Venantãs curves | 621 |
| 321 . | St Venantãs diagram of a triangular prism under torsion (Thomson and Tait) | 623 |
| 322 . | Diagram of the same phenomenon in a ramãs horn | 623 |
| 323 . | Antlers of a Swedish elk (LûÑnnberg) | 629 |
| 324 . | Head and antlers of Cervus duvauceli (Lydekker) | 630 |
| 325 ,ã6. | Diagrams of spiral phyllotaxis (P. G. Tait) | 644, 5 |
| 327 . | Further diagrams of phyllotaxis, to shew how various spiral appearances may arise out of one and the same angular leaf-divergence | 648 |
| 328 . | Diagrammatic outlines of various sea-urchins | 664 |
| 329 ,ã30. | Diagrams of the angle of branching in blood-vessels (Hess) | 667, 8 |
| 331 ,ã2. | Diagrams illustrating the flexure of a beam | 674, 8 |
| 333 . | An example of the mode of arrangement of bast-fibres in a plant-stem (Schwendener) | 680 |
| 334 . | Section of the head of a femur, to shew its trabecular structure (SchûÊfer, after Robinson) | 681 |
| 335 . | Comparative diagrams of a crane-head and the head of a femur (Culmann and H. Meyer) | 682 |
| 336 . | Diagram of stress-lines in the human foot (Sir D. MacAlister, after H. Meyer) | 684 |
| 337 . | Trabecular structure of the os calcis ( do. ) | 685 |
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