Rogers, William Augustus. *#E.5140a.55.1. Pt. 5 Catalogue of 8627 stars between 49° 50° and 55° 10! of north declination 1855, for the epoch 1875, from observations made according to the programme of the Astronomische Gesellschaft at the astron-
omical observatory of Harvard college, 1870 to
1884. Leipzig. Astronomische Gesellschaft. 1892. 176
pp. 4°. eee a