Contemplatio physica de natura: quam Deo ducente [et] docente, consensu amplissimae facultatis philosophicae, in illustri Academia Christin, sub praesidio dn. m. Georgii Alani, phys. & botan. professoris ordinarij, praeceptoris & promotoris sui debitâ observantiâ perpetim colendi, liberalis exercitij erg, excutiendam [et] ventilandam, public exhibet, Johannes M. Garsius Arbog. S. R. M. stipend. In auditorio majori ad diem 3. Maj a. 1645. horis consvetis