(461. Mention another means by which the blood
may be made impure. How =remedied?= 462. What is the
effect of want of cleanliness upon the blood?)

Page 208, Fig. 88: Added '.' (7, The right auricle of the heart. 8,
The left auricle. 9, The pulmonary artery. 10, The aorta.
11, The vena cava =descendens.= 12, The trachea.)

Page 208, Fig. 88: Added '.' (16, 16, The right and left lobe of the
liver. 17, The gall-cyst. 18, The =stomach.= 26, The
spleen. 19, 19, The duodenum.)

Page 208, Fig. 88: Added '.' (19, 19, The duodenum. 20, The
ascending =colon.= 21, The transverse colon. 25, The
descending colon.)

Page 211, Fig. 90: Added '.' (10, Its lower lobe. 11, The upper lobe
of the right =lung.= 12, The middle lobe. 13, The lower
lobe.)

Page 218: Was 'cavicle' (Those which are attached to the upper rib,
sternum, and =clavicle=, contract and elevate the lower
and free extremities of the ribs.)

Page 220, Fig. 96: Added '.' (5, 5, The position of the walls of the
abdomen in inspiration. 6, 6, The position of the
abdominal walls in =expiration.=)

Page 223: Was 'cabonic' (In addition, there is a small amount of
vapor of water and =carbonic= acid. The pressure of this
invisible)

Page 225, Fig. 98: Added '.' (Fig. 98. 1, A bronchial tube divided
into three branches. 2, 2, 2, =Air-cells.= 3, Branches of
the pulmonary artery, that spread over the air-cells.)

Page 226: Added 'to' (In a few hours, the blood next =to= the
membrane will have become of a bright red color.)

Page 227: Added '.' (reviewed from figs. 96, 97, and 99, or from
anatomical outline plates Nos. 5 and =7.=)

Page 232: Added '.' (503. Mention some reasons why different persons
do not require the same amount of =air.=)

Page 232: Added '.' (Give the illustration of the effects of impure
air on lighted =lamps.=)

Page 237: Added '.' (to connect with the outer walls of the building
or external =air.= But if pure heated air is introduced
into the room, it obviates)

Page 241: Added '.' (What does fig. 100 represent? Fig. 101? Give
observation =1st.=)

Page 248: Added '.' (535. Mention some of the effects of mental