e use of
the conjunctiva? How are the white spots frequently)

Page 403: Added '.' (913. Describe the lachrymal =gland.= How many
ducts pass from this gland, and what do they convey to
the)

Footnote 22: Added '.' (The refracting character of
differently-formed lenses is illustrated in the works on
Natural Philosophy, to which the pupil is =referred.=)

Page 407, Fig. 142: Added '.' (Fig. 142. The forms of the different
lenses. 1, A plane lens. 2, A globe =lens.= 3, A
convexo-convex lens. 4, A plano-convex lens.)

Page 407, Fig. 142: Added '.' (4, A plano-convex lens. 5, A
concavo-concave =lens.= 6, A plano-concave lens. 7,
Meniscus. 8, A concavo-convex lens.)

Page 416: Changed '.' to '?' (Where is the wax of the ear
=secreted?= 948. Describe the membrana tympani.)

Page 417: Was ', 1,' (This figure is highly magnified. =1, 1,= The
cochlea. 2, 3, Two channels, that wind two and a half
turns around a central point)

Page 421: Was 'Eustuchian' (This is the result of the air in the
middle ear escaping through the =Eustachian= tube, when
the vibrations of the membrana tympani are violent.)

Page 422: Added '.' (969. Many of the parts just enumerated aid in
hearing, but are not absolutely essential to this =sense.=
But if the vestibule)

Page 422: Added '.' (_Note._ Let the anatomy and physiology of the
organs of hearing be reviewed, from fig. 148, or from
anatomical outline plate No. =10.=)

Page 439: Added '.' (know the proper mode of procedure in such
cases, in order to render immediate assistance when within
his =power.=)

Page 441: Added '.' (=1035.= What is the antidote? 1036. What should
immediately be done when arsenic is swallowed?)

Page 441: Changed '.' to '?' (When magnesia cannot be obtained, what
will answer as a =substitute?= 1050. What is the antidote
when ley is swallowed?)

Page 442: Changed '.' to '?' (What treatment should be adopted when
an over-dose of opium or any of its preparations is
=taken?= 1057. What is said of stramonium?)

Page 443: Added '.' (lobelia, bloodroot, tobacco, &c., is taken?
=1062.= Should a physician be called in all cases when