c, and the lover;"

nor should the Orator be excluded from his fair participation and
kindred alliance with this airy and fascinating group.

If the present essay should conform to nature, and be founded in
truth,--should it assist the young inquirer, and more especially the
medical student,--for whom no compendium of the science of mind has been
hitherto prepared; my own expectations will be fully answered; and this
scantling may probably lead some more capable person to an extensive
investigation, enlarged comprehension, and luminous arrangement of the
phenomena of the human intellect.

JOHN HASLAM.

57. Frith-Street, Soho-Square,
1st November, 1819.

CONTENTS.

Page

Perception 1

Memory 16

On the intellectual superiority which man has
acquired by speech, and the possession of the
hand 28

On the nature and composition of language, as
applied to the investigation of the phenomena
of mind 59

On will or volition 74

On thought or reflection 110

On reason 135

Instinct 160

Conclusion 182

_Works by the same Author._

I. Observations on Madness and Melancholy.

II. Illustrations of Madness.

III. On the Moral Management of the Insane.

IV. Medical Jurisprudence, as it relates to Insanity.

V. A Letter to the Governors of Bethlem Hospital.

SOUND MIND.

PERCEPTION.

The faculty of perceiving the objects which surround us, is an important
feature in the history of mind; but by what means or contrivance this is
effected, can only be known to the Supreme Being, who has thus been
pleased to endow us; and our utmost endeavours to detect the _modus
operandi_ will be puerile and unavailing.

The first operations of the infant are to educate its senses, in order
to become acquainted, through these organs, with surrounding objects.
This, in the human species, is a process of very slow attainment; and
our information concerning this subject, must be derived from
attentively watching t