(14

[Note added in another hand:] p. 157

(14

Ch VI

According to Gratiolet* (9) the glottis is chiefly affected during the act of sobbing, this sound "is heard at the moment when the inspiration conquers the resistance of the glottis, & the air rushes into the chest." But the whole act of respiration is likewise spasmodic & violent. The shoulders are at the same time generally raised, as by this produces movement respiration is rendered easier.

With one of my infants, when 77 days old, I observed that

that when 77 days old the inspirations were so rapid & strong that they approached in character to sobbing; when 138 days old I first noticed distinct sobbing, which & that, which served to cause the heat, which subsequently followed every bad crying fit. The habit thus came on rather suddenly. The respiratory movements are partly voluntary & partly involuntary, & I apprehend that sobbing is at least in part due to th children after early infancy being having

[text excised]

[2]

[Note added in another hand:] Desct of Man 1871 ed. p. 107 (ch. 4)

Ch. 3

Such variations must also have been inherited, accumulated, & fixed by some means. We have no can obtain no direct evidence on the points; in regard to forms that live long ago, but if it can be shown that man now varies in the same manner as the lower animals;─

that his variations are induced by the same general causes, and obey the same laws; no one will doubt that intermediate & preceding extinct forms were similarly variable varied in the same like manner.)

The facts & conclusions to be given in this chapter relate almost entirely chiefly to the probable means & steps