Chap. 1  Of  our  acquired  perceptions  and  the  metaphysicks  of  vision,  391
Of  the  phenomena  exhibited  in  the  case  of  the  young  man
couched  by  Cheselden,. -  -  -  392

A  solution  of  the  question,  why  we  see  objects  erect  when
the  image  formed  upon  the  tunica  retina  is  known  to  be
inverted,  -  -  -  -  -  -      396

Chap. 2  The  same  subject  continued,  ... 40S

A  solution  of  the  question,  do  we  originally  see  objects  sin-
gle or  double  with  both  eyes.'  Is  our  seeing  objects  single
with  both  eyes  an  original  or  an  acquired  perception.''         403
Of  that  defect  of  vision  called  squinting;  and  the  opinion  of
M. DeLaHireandM. Jurin,  -  -  413

©hap. 3  Of  deceptions  of  the  senses,         -  -  417

Why  objects  sometimes  appear  larger  than  they  really  are,
and  of  that  inversion  of  the  ordinary  laws  of  vision  called
looming,. ... 42Q

An  explanation  of  the  appearances  exhibited  by  the  moun-
tain in  the  neighbourhood  of  Monticello,  mentioned  by
Mr. Jeflferson,  in  his  notes  upon  Virginia,. -      421

An  explanation  of  the  fact  of  the  increased  dimensions  of  the
sun  and  moon  at  their  rising  and  setting,. '    423

Chap. 4  Progress  of  the  mind  in  the  acquisition  of  its  ideas,  -      433


Table  of  Contents. s

The  influence  of  the  mother's  imagination  upon  the  foetus  in
the  womb  disputed,  .... 434

The  singular  cases  mentioned  by  Malebranche  stated,  and  his
theory  about  them  denied,        .... 435

Chap. S  The  progress  of  the  mind  in  the  acquisition  of  ideas  conti-
nued, ...... 439

Chap. 6  The  question  discussed,  does  the  soul  always  think?  443

Chap. 7  Of  dreaming,  ..... 457

Chap. 8  Alienations  of  mind,  deliriums,  ecstacies,  madness,  &C'  465

Of  spectral  visions  and  apparitions,  ... 47$

Of  Saul  and  the  Witch  of  Endor,        ... 477

The  visions  ofM. JVicolai,  a  member  of  the  Royal  Society  of

Berlin,  -  -  -. -  -       480

A  solution  of  the  fact  that  the  sign  of  the  cross  was  display,
ed  to  Constantine,  the  Boman  Emperor,  before  his  battle
with  Maxentius,  .... 486

Chap. 9  An  explanation  of  the  supposed  supernatural  vision  of  Colo-
nel Gardiner,         -  -  489
Chap. 10  Of  discernment,  judgment,  nit,  attention,  intension,  &c. 499
The  great  importance  of  formmg  habits  of  attention,  502
The  errors  of  Professor  Stewart  on  the  subject  of  attention
stated  and  refuted,                         ... 504
Chap. 