[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 depression upon the body. What is related by Lænnec?)

[Page 250]: Was single-quote (Let another person press upon the projecting part of the neck, called “Adam’s apple,” while air is introduced into the lungs through the bellows.)

[Page 263]: Changed ’.’ to ’?’ (persons that have broad chests and voluminous lungs suffer less from cold than the narrow-chested with small lungs?)

[Page 269]: Added ’.’ (still broader behind, where it is connected with the thyroid cartilage. Below, it connects with the first ring of the trachea.)

[Page 271]: Was ’glot tis’ (The aperture, or opening between these ligaments, is called the glot´tis, or chink of the glottis.)