he star from the bell-floral, tells us that a red
rose will turn white when submitted to the vapor of sulphur, and
makes some very sagacious observations on the subject of
germination. . . . The extraordinary erudition and originality of
this treatise (his tenth book) has drawn from M. Meyer the following
comment: 'No botanist who lived before Albert can be compared to
him, unless Theophrastus, with whom he was not acquainted; and after
him none has painted nature in such living colors or studied it so
profoundly until the time of Conrad Gesner and Caesalpino.' All
honor, then, to the man who made such astonishing progress in the
science of nature as to find no one, I will not say to surpass, but
even to equal him for the space of three centuries."

Pagel in Puschmann's History of Medicine gives a list {320} of the
books written by Albert which are concerned with the physical
sciences. These were: Physica, Books VIII., that is, eight treatises
on Natural Science, consisting of commentaries on Aristotle's Physics
and on the underlying principles of natural philosophy, and of energy
and movement; four treatises concerning the Heavens and the Earth,
which contain the general principles of the movement of the heavenly
bodies. Besides there is a treatise On the Nature of Places,
consisting of a description of climates and natural conditions. This
volume contains, according to Pagel, numerous suggestions with regard
to ethnography and physiology. There is a treatise on the causes of
the properties of the elements, which takes up the specific
peculiarities of the elements, according to their physical and
geographical relations. To which must be added two treatises on
generation and corruption; six books on meteors; five books on
minerals; three books on the soul, in which is considered the vital
principle; a treatise on nutrition and nutritives; a treatise on the
senses; another on the memory and the imagination; two books on the
intellect; a treatise on sleep and waking; a treatise on youth and old
age; a treatise on breath and respiration; a treatise on the motion of
animals, in two books, which concerns the voluntary and involuntary
movements of animals; a treatise on life and death; a treatise in six
books on vegetables and plants; a treatise on breathing things. His
treatise on minerals contains, according to Pagel, besides an
extensive presentation of the ordinary peculiarities of minerals, a
descr