48 THE TRANSIT OF MERCURY, MAY 10, 1891. 



The contacts were observed as follows : — 



MICROMETER MEASURES 

 Between Mercury and Sun-spot. 

 (Mercury South. Preceding.) 



The above were all the measures I had opportunity for 

 obtaining. The chronometer readings are carefully corrected 

 for error and rate. Mr. Sparrow, of Launceston, kindly 

 assisted me by reading the chronometer. 



