See pages [281]. [577]. [599].

Lefebvre or Le Fèbre, Nicolas, 16..-1674, Paris (partly also London), “Apoticaire ordinaire du Roy, distillateur chymique de sa Majesté”—Traité de la Chymie, Paris, i. (1660) 375-377.

See pages [65]. [381].

Liber pontificalis seu de gestis Romanorum pontificum. Romæ, 1724 (edition of Vignolius). A new edition will be brought out in the Monumenta Germaniæ.

See pages [137]. [142]. [281].

Macer Floridus, wrote, a.d. 1140, the book De viribus herbarum. The editio princeps was printed a.d. 1487 in Naples; the best edition is that of Choulant, Leipzig, 1832 (140 pages). Nothing exact is known about that author himself.

See pages [627]. [642]. [684].

Marcellus Empiricus, a high functionary of the two emperors Theodosius, towards the end of the 4th and in the beginning of the 5th centuries.—De medicamentis empiricis, physicis ac rationalibus liber. Basileæ, 1536.

See pages [183]. [729].

Marcgraf, Georg, 1610-1644, astronomer and geographer to Count Johann Moriz von Nassau. See Piso.