It was obviously a very useful index, and it could even be entertaining to read, not only for its eclectic jumps from one term to the next, but also for the unexpected terms that appeared. What’s “Flash photography” or “Flint arrowheads” doing there, or “Frogs” for that matter?
transparency, shape, and texture, all of which must have attracted the attention of their past collectors. The collection of colorful flint pebbles at Late Lower Paleolithic Qesem Cave, Israel, provides one