ERRATA in ASTRONOMY, VOL. II. Part II. The following omissions and mistakes in the Plates and References the Reader will be pleased to rectify with his pen. Page 531. col. 1. under No 367. l. 8. of the paragraph: For 4, write 194. In fig. 156. (Plate LXXV.), y is wanting at the Sun's place, and C at the centre of the Earth. P. 550. margin. For 157, 158, write 30, 31. P. 556. l. 21. from bottom. For fig. 204 write 205. In the figure itself, the circle most to the left hand wants N at the North Pole, and \mathcal{A} at one extremity of the Equator. The circle next to it wants likewise N at the North Pole, and \mathcal{E}Q at the Equator, represented there by a double arch of a circle. S is wanting at the southern extremity of the axis, and T at the extremity of the Tropic of Cancer, represented by a black single arch of a circle. In the next circle Q is wanting at the right-hand extremity of the Equator, represented there by a double straight line. And in the fourth circle to the right hand, Q ought to be substituted in the place of O at the right-hand extremity of the Equator. P. 580. No 489, line 1. For fig. 209, write 210. P. 581. col. 1. middle. For fig. 210, wr. 211. Ib. col. 2. For 211, wr. 212; and for 209, wr. 210. P. 584. col. 2. middle. For 217, wr. 216. P. 585. col. 1. For fig. 218, wr. 217. Ibid. col. 2. For fig. 218, wr. 217; and for 217, wr. 216. DIRECTIONS FOR PLACING THE PLATES OF VOL. III. PART I. PART II. Plate Page Plate Page XCII. to face 25 CI. 408 XCIII. 48 CII. } 437 XCIV. 52 CIII. } XCV. 80 CIV. } 40 XCVI. 132 CV. } XCVII. 136 CVI. } XCVIII. 293 CVII. } XCIX. 321 CVIII. 556 C. 332 CIX. } 788 CX. } CXI. 794 [In all, 20 Plates.]