- Flagellum, 246, 267, 291
- Flemming, W., 170, 172, 180
- Flight, 24
- Flint, Professor, 673
- Fluid crystals, 204, 272, 485
- Fluted pattern, 260
- Flyãs cornea, 324
- Fol, Hermann, 168, 194
- Folliculina, 249
- Foraminifera, 214, 255, 415, 495, 515
- Forth Bridge, 694, 699, 700
- Fossula, 390
- Foster, M., 185
- Fraas, E., 716
- Frankenheim, M. L., 202
- Frazee, O. E., 153
- Frûˋdûˋricq, L., 127, 130
- Free cell formation, 396
- Friedenthal, H., 64
- Frisch, K. von, 671
- Frog, egg of, 310, 363, 378, 382; growth of, 93, 126
- Froth or foam, 171, 205, 305, 314, 322, 343
- Froude, W., 22
- Fucus, 355
- Fundulus, 125
- Fusulina, 593, 594
- Fusus, 527, 557
Table of Contents
INDEX.
831