TABLE OP CONTENTS. 



SECTION I. 



INTRODUCTION. 



Introductory remarks 

 Plan of observation 

 Instruments employed 



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 1 



SECTION II. 



DESCRIPTIONS OF STATIONS 



Philadelphia 



Gosport 



St. Thomas 



Isle Royal 



Ceara 



Pernambuco 



Bahia 



Rio Janeiro 



Monte Video 



Sandy Point 



Valparaiso 



Callao . 



Payta 



Panama . 



Acapulco 



Magdalena Bay 



San Francisco 



SECTION Til. 



ASTRONOMICAL OBSERVATIONS. 



General remarks .... 



Observations of the sun for latitude 



Observations of the sun for time 



Mode of determining true bearings 



Observations of the sun for the determination of true bearings 



Triangulation at Ceara . . . ' . 



Table of observed latitudes 



Errors of pocket chronometer, Fletcher, No. 906 



Chronometer comparisons 



True bearings of objects used as azimuth marks 



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(iii) 



