OPPOSITION OF MARS, 1849-50. 



MICROMETKICAL OBSERVATIONS, 



WITH 



THE 8i-EEET EQUATORIAL, 



AT THE 



KOTAL OBSERVATORY, CAPE OF GOOD HOPE: 



BY THOS. MACLEAB, ESQ., F. R. A. S., <feo., 



HEB MAJESTY'S ASTRONOMER AT THE CAPE. 



