FOR centuries, man has been trying to forecast the weather by visible signs. There are dozens of familiar old weather proverbs and saws. How reliable are they?

"Not worth two cents," you may have said to yourself-especially when the day of the picnic turned out rainy after you had predicted fair weather. However, many of them are supported by modern meteorological science.

The sketches on this page show some common "weather signs," with possible interpretations of them. Check whether you think them true or false. Then turn to page 168 to see whether you were right or wrong in each case-and the reason why.

Indians planning to go on the warpath

1 Indians planning to go on the warpath used to feel a hanging scalp to see whether the weather would be favorable. This was pure superstition, with no justification in fact. (True or false?).

In the morning, it will be foul weather today

2 "In the morning, it will be foul weather today, for the sky is red and lowering." Matthew 16:2. (True or false?).

When the fluid rises

3 When the fluid rises in a barometer or in the body of a Cape Cod weather glass, fair weather's ahead. (True or false?).

Swallows fly high when the weather is good

4 Swallows fly high when the weather is good, low when a change is about to bring a long spell of rain. (True or false?).

If there is dew on the grass

5 If there is dew on the grass in the early morning, it is a sure sign that rain will fall before night. (True or false?).

When puffs of cloud seen

6 When puffs of cloud seen in the morning become larger and darker, wind and showers are in store. (True or false?).

Halos around the sun or moon

7 Halos around the sun or moon indicate that the weather is clearing and that the next day will be fair. (True or false?).

If the weather is fair where you are

8 If the weather is fair where you are, and you see a lightning storm far off to the east, you had better run for shelter, because the disturbance is likely to reach you. (True or false?).

When the smells from swamps

9 When the smells from swamps and stagnant waters become more pronounced, and the odors of green vegetation are more noticeable, look for stormy weather. (True or false?).

Perhaps the most popular of weather

10 Perhaps the most popular of weather indicators for amateurs is the color of the setting sun. How about this: A red sunset means that it will rain tomorrow. (True or false?).

Solutions To Puzzles Which Appear On Preceding Pages

1. Elementary, my dear Watson. Remove B, C, F, and K, and with them form a third Square.

Elementary, my dear Watsonmatches will overlap the glass

2. Interlaced thus, the matches will overlap the glass edges by a quarter inch, and will easily carry the weight of a wineglass.

3. Who said anything about separated diamonds? These happened along as Siamese twins, but they're still diamonds.

Drop water on the fracture

4. ;Drop water on the fracture in the match, which will then swell and spread out fanwise, thereby allowing the coin to drop with a pleasant clink into the bottle.

5. ;Anyway, this is what makes the world go round, and if matches aren't made of love, it's just too bad for everyone concerned.

the world go round