mometers for terrestrial radiation, 144 – Meteorological registers,
144 — Nomenclature for weather, 147 - Occasional observations,
150 — Squalls, storms, and hurricanes or cyclones, 150 — Winds,
154 — Clouds and fogs, 155 — Temperature of the sea, 155 — Blue
colour of the sea, 156 - · Observations in port or on shore, 157 —
Waterspouts, bull's-eye squalls, whirlwinds, 158 — Showers of dust
or ashes, 159 — Thunderstorms, lightning, fireballs, &c., 159 —
Atmospheric electricity, 160 — Auroral phenomena, 161 — Halos,
parhelia, mock-suns, 162 — Zodiacal light and meteors, 162 -
Table of corrections for capillarity of barometer tube, 163 — Table
of corrections for temperature to barometric rendings, 164-5 — Table
of elastic force of aqueous vapour for every degree of temperature,
166 — Table of pressures of wind on a square foot for different
heights of the column of water in Lind's wind-gauge, 166 — Table
of factors for reduction to 60° Fahr. in observations with the acti-
nometer, 167 - Table for ascertaining altitudes with the barometer,
with mode of use, 168-9.
SECOND DIVISION, SECTION 3.
ON ATMOSPHERIC WAVES AND BAROMETRIC CURVES.
INTRODUCTION : Professor Dove's theory of compensating currents in
the temperate zones, 170 — General characteristics of the atmo-
spheric wave, 172 — Instance of the course of an atmospheric wave
well observed, 173— Best stations for observing, 173. OBSERVA-
TIONS : Centre of great barometric disturbance on the north-west of
Scotland, 177 — Equatorial depression of the barometer, 177 — Ne-
cessity of observations at Cape Horn and the Cape of Good Hope,
179 — Calm state of the atmosphere at St. Helena, 179 - Places at
which observations could profitably be made, 180 — The meteoro-
logical character of the Indian Ocean well known, 181 - Professor
Meldrum's paper on the Meteorology of the Indian Ocean referred
to, 181 — Example of a gale experienced by the ship • Fanny Fisher,'
182— Directions for avoiding the fury of the Atmospheric Wave, 184
- Diagrams representing Dove's Atmospheric Wave, Redfield and
Reid's Rotatory Storms, and Cyclonic Converging Segments, 185 —
Places within the Tropics that require most attention, 186 — Extra
THIRD DIVISION, SECTION 1.
Rapid increase in the study of Geography of late years, 190 — Defects
pointed out, 190 — Precautions to be used by the geographer in
observing, 191 — PHYSICAL GEOGRAPHY, 193 — Importance of physi-