IV. NATURAL HISTORY AND PHILOSOPHY.

72. Philosophia ad Athenienses. (Print.)
73. Opus anatomicum. (Avutograph.)
74. Philosophia degenerationibus et fructibus quatuor elemen- tarum. (Print.)
75. Philosophia de generatione hominis. (Print.)
76. De meteoris. (Autograph.)
77. Aliud opusculum de meteoris. (Autograph.)
78. Liber meteorum tertius. (MS. of Montanus.)
79. De generatio metallorum. (Dv¢tto.)
80. Von den natuerlichen Waessern.
58 Advice of Theophrastus, ° Of the Various Grades of Things. © On Plants. ® On the Five Natural Things, ® Two Tracts on Turpentine and Honey. ®™ Ebony-Wood, Ruptures, Preparation of the Mumia, 6 The Virtues of Plants. The Books of Beginnings. Mineral Springs. © The Baths of Pfeffers. ® Gradations and Compositions, 6 Remarks about Gradations. 7 Fragments. 7! Fragments treating of Plants. 7” Letters to the Athenians. 7 Anatomy. 7 Doctrine of the Products and Fruits of the Four Elements. 7 On the Generation of Man. 7° Meteors. 7” More about Meteors. 7 Third Book on Meteors, 7? The Generation of Metals. Natural (Thermal) Springs.
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