his error as to variation and longitude, [166].
præcession of the Æquinoxes, [234], [236].
primum mobile, the, [79], [214], [216], [218], [220], [226], [232], [237].
Prutenical Tables, the, [235].
Ptolemæus, Claudius.
on loadstone fables, [2], [32].
on the occurrence of loadstone and of iron, [9],[25].
on the dissolution of the earth, [91], [217], [218].
alleged relation of regions with the planets, [137].