300 



INFERIOR CONJl-NfTIOX OF VENTS, 1850-61, 



RemnrJcs. 



fai dim, nnd planxl ninlcti:ii d timl blurred. A 6. 



a Tbe recorded reading here it corrected in the mean, it being evidently forty second* too large. 



Rftvltf. 



Mean 01* chronometer lime*. 



Ven* - . 



Venui B. P. - . 



VenniN.P. 



Four comjrtrisono . . . 

 Uuitrc ion of chronometer 



Pour comparuonii . . . 

 Correction of clironotiflrr 



