IV. NATURAL HISTORY AND PHILOSOPHY.

72. Philosophia ad Athenienses. [Print.)
73. Opus anatomicum. [Autograph.)
74. Philosophia degenerationibus et fructibus quatuor ele-
mentarum. [Print.)
75. Philosophia de geueratioue ho minis. [Print.)
76. De meteoris. ( Autograph .)
77. Aliud opusculum de meteoris. [Autograph.)
78. Liber meteorum tertius. [MS. of Montanus.)
79. De generatio metallorum. [Ditto.)
80. Von den natuerlichen Waessern.