This little Book is gratefully Dedicated
TO
The late AUGUSTUS LOWELL, Esq.
OF
BOSTON, U.S.A.
WHO, AS TRUSTEE OF THE LOWELL INSTITUTE,
ENABLED SCIENTIFIC MEN OF TWO CONTINENTS TO
PRESENT THE RESULTS OF THEIR INVESTIGATIONS
TO THE PUBLIC

CORRIGENDA

Page 50, line 11, for "isolation" read ["insolation."] Page 59, line 21, before "direction" insert ["opposite."] Page [112], line 2; page [115], lines 2 and 15, and Index, pages [175] and [183], for "Viollé" read "Violle." Page [112], line 23; page [113], line 6, and Index, page [181], for "Muntz" read "Müntz." Page 123, last line, for "1889" read "[1891]." Index, page 177, for "Cotte (T.)" read "[Cotte (L.)]." Index, page 179, after "[Hann (J.)], 36," add "173." Index, page 179, for "Hellman (G.)" read "[Hellmann (G.)]." Index, page 181, after "[Langley (S. P.)]" insert "28."

[Transcriber's Note: These corrections have been applied to the current version]

CONTENTS

CHAP. PAGE
I. [THE ATMOSPHERE—ANCIENT AND MODERN KNOWLEDGE—METHODS OF INVESTIGATION][9]
II. [CLOUDS—FORMATION AND CLASSIFICATION—MEASUREMENTS AT BLUE HILL—THE INTERNATIONAL OBSERVATIONS][38]
III. [BALLOONS—NOTABLE ASCENTS AND RESULTS OBTAINED—CAPTIVE BALLOONS][68]
IV. [BALLONS-SONDES FOR GREAT ALTITUDES—THE INTERNATIONAL ASCENTS][98]
V. [KITES—HISTORY AND APPLICATION TO METEOROLOGICAL PURPOSES AT BLUE HILL AND ELSEWHERE][117]
VI. [RESULTS OF THE KITE-FLIGHTS AT BLUE HILL—FUTURE WORK][145]
[INDEX][175]