Plate XXII
Seeing 4 to 8. Diam. 17".9
Seeing 1 to 3. Diam. 19".5
Seeing 2 to 6. Diam. 12".4
Seeing 2 to 4. Diam. 14".9
Seeing 2 to 4. Diam. 7".4
Seeing 1 to 3. Diam. 9".9
DRAWINGS AFTER OPPOSITION
By A. E. Douglass