m.

LEFT-HAND SEMICIRCLE.

Wind W.S.W., S.W., S.S.W., S., barometer falling, first half of storm.
Wind E.S.E., S.E., S.S.E., S,, barometer rising, last half of storm.

HURRICANE MOVING PROM WEST TO EAST.

Axis line, wind S., barometer falling, first half of storm.
Axis line, wind N., barometer rising, last half of storm.

RIGHT-HAND SEMICIRCLE.

Wind S.S.W., S.W., W.S.W., W., barometer falling, first half of storm.
Wind N.N.W., N.W., W.N.W., W., barometer rising, last half of storm.

LEFT-HAND SEMICIRCLE.

Wind S.S.E., S.E., E.S.E., E., barometer falling, first half of storm.
Wind N.N.E., N.E., E.N.E., E., barometer rising, last half of storm.

HURRICANE MOVING FROM NORTH-WEST TO SOUTH-EAST.

Axis line, wind S.W., barometer falling, first half of storm.
Axis line, wind N.E., barometer rising, last half of storm.

RIGHT-HAND SEMICIRCLE.

Wind W.S.W., W., W.N.W., N.W., barometer falling, first half of storm.
Wind N.N.E., N., N.N.W., N.W., barometer rising, last half of storm.

LEFT-HAND SEMICIRCLE.

Wind S.S.W., S., S.S.E., S.E., barometer falling, first half of storm.
Wind E.N.E., E., E.S.E., S.E., barometer rising, last half of storm.

APPENDIX.

TABLE I.--Correction to be added to Barometers for Capillary Action.

+--------------------+---------------------------------+
| | Correction for |
| Diameter of Tube. |-----------------+---------------|
| | Unboiled Tubes. | Boiled Tubes. |
|--------------------|-----------------|---------------|
| Inch. | Inch. | Inch. |
| 0.60 | 0.004 | 0.002 |
| 0.50 | 0.007 | 0.003 |
| 0.45 | 0.010 | 0.005 |
| 0.40 | 0.014 | 0.007 |
| 0.35 | 0.020 | 0.010 |
| 0.30 | 0.028 | 0.014 |
| 0.25 | 0.040 | 0.020 |
| 0.20 | 0.060 | 0.029 |
| 0.15 | 0.088 | 0.044 |
| 0.10 | 0.142 | 0.070 |
+--------------------+-----------------+---------------+

+---------------------------------------------------------------------+
|Transcibers note: The following 100 line table has been split into |
|two, bo