[11.] PROBLEM IV.

[12.] PROBLEM V.

[13.] The general Solution.

[14.] PROBLEM VI.

[15.] The general Solution.

[16.] PROBLEM VII.

[17.] LEMMA I.

[18.] PROBLEM VIII.

[19.] Mr. Simpſon conſtructs the Problem thus.

[20.] PROBLEM IX.

[21.] LEMMA II.

[22.] LEMMA III.

[23.] PROBLEM X.

[24.] PROBLEM XI.

[25.] PROBLEM XII .

[26.] LEMMA IV.

[27.] LEMMA V.

[28.] PROBLEM XIII.

[29.] PROBLEM XIV.

[30.] SUPPLEMENT. PROBLEM I.

[31.] PROBLEM II.

[32.] PROBLEM III.

[33.] PROBLEM IV.

[34.] PROBLEM V.

[35.] PROBLEM VI.

[36.] General Solution.

[37.] A SECOND SUPPLEMENT, BEING Monſ. DE FERMAT’S Treatiſe on Spherical Tangencies. PROBLEM I.

[38.] PROBLEM II.

[39.] PROBLEM III.

[40.] PROBLEM IV.