[147] PAGE 60, LINE 33. Page 61, line 1. _Orpheus in suis carminibus._--This passage is in the chapter [Greek: Lithika] of Orpheus, verses 301 to 327. See Note to p. 11, line 19.

[148] PAGE 61, LINE 15. Page 61, line 19. _Platonis in Timæo opinio_.--The passage runs (edition Didot, vol. ii., p. 240, or Stephanus, p. 80, C.):

On the magnet, magnetick bodies also, and on the great magnet the earth — Part 182

[Greek: Kai dê kai ta tôn hudatôn panta rheumata eti de ta tôn keraunôn ptômata kai ta thaumazomena êlektrôn peri tês helxeôs kai tôn Hêrakleiôn lithôn, pantôn toutôn holkê men ouk estin oudeni pote, to de kenon einai mêden periôthein te hauta tauta eis allêla, to te diakrinomena kai sunkrinomena pros tên hautôn diameibomena hedran hekasta ienai panta, toutois tois pathêmasi pros allêla sumplechtheisi tethaumatourgêmena tôi kata tropon zêtounti phanêsetai.]

On the magnet, magnetick bodies also, and on the great magnet the earth — Part 182

[149] PAGE 61, LINE 30. Page 61, line 38. The English version of the lines of Lucretius is from Busby's translation.

On the magnet, magnetick bodies also, and on the great magnet the earth — Part 182

[150] PAGE 62, LINE 5. { 45} Page 62, line 7. _Iohannes Costæus Laudensis._--Joannes Costa, of Lodi, edited Galen and Avicenna. He also wrote a _De universali stirpium Natura_ (Aug. Taurin., 1578).

[151] PAGE 63, LINE 3. Page 63, line 4. _Cornelius Gemma 10. Cosmocrit._--This refers to the work _De Naturæ Divinis Characterismis ... Libri ii. Avctore D. Corn. Gemma_ (Antv., 1575, lib. i., cap. vii., p. 123).

"Certè vt à magnete insensiles radij ferrum ad se attrahunt, ab echineide paruo pisciculo sistuntur plena nauigia, à catoblepa spiritu non homines solùm, sed & alta serpentum genera interimuntur, & saxa dehiscunt."

See also Kircher's _Magneticum Naturæ Regnum_ (Amsterodami, 1667, p. 172), Sectio iv., cap. iii., De Magnete Navium, quæ Remora seu Echeneis dicitur. See the note to p. 7, line 21.

[152] PAGE 63, LINE 6. Page 63, line 7. _Guilielmus Puteanus._--Puteanus (Du Puys) wrote a work _De Medicamentorum quomodocunque Purgantium Facultatibus_, Libri ii. (Lugd., 1552), in which he talks vaguely about the substantial "form" of the magnet, and quotes Aristotle and Galen.

[153] PAGE 63, LINE 21. Page 63, line 25. _Baptistæ Portæ._--The passage in the translation is quoted from the English version of 1658, pp. 191, 192.

[154] PAGE 64, LINE 4. Page 64, line 9. _Eruditè magis Scaliger._--Gilbert pokes fun at Scaliger, whose "erudite" guess (that the motion of iron to the magnet was that of the offspring toward the parent) is to be found in his book _De Subtilitate, ad Cardanum_, Exercitatio CII. (Lutetiæ, 1557, p. 156 _bis_).