(13

[Note in another hand:] p. 169/70

(33

Ch VI.

The primary functions of the secretion of tears, together with that of some mucus, is to lubricate & keep damp the surface of the eye; & a secondary function one, as some believe, is to keep the nostrils damp moist damp, so that the air inhaled air into the lungs may be damp & likewise to favour the power of smelling. But an almost equally another & almost equally important function of tears, is the washing out particles of dust or other minute objects which may get into the eyes.

That this is of great importance is clear from the cases in which the cornea has been rendered opaque through inflammation, [2 words illeg] in & eyel eye & eyelid being have become immovable, & this caused by particles of dust not being removed, in consequence of the eye & eyelid becoming immovable.*(21)

When tears are secreted through The secretion of tears from the irritation of any foreign body in the eye we have is a reflex action;—that is, the body irritates a peripheral peripheral nerve & which sends an impression to certain sensory sensory nerve-cells; in the brain, which & these transmit, nerve-force to other cells & these again to the lachrymal glands. causing them to secrete. It is difficult to conjecture, how

(27

[Note in another hand:] Desc. of Man, p. 123

(27

Chapt. 3.

(Now in women anomalous cases are not every infrequent, in which the mature uterus is furnished with cornua, or is partially divided into two organs; & such cases, according to Owen, remarks repeat "the grade of concentrative development," attained by certain rodents. Here perhaps we have an instance of a simple arrest of embryonic development, but with subsequent growth, & in [text excised] with not further perfect functional development, for [text excised] partially double uterus [text excised] act

[Archivist note:] Desc. of Man, p. 151

pelvis

caudal vertebræ plainly answer [text excised]

united coalesced vertebræ of the human os coccyx.)

(one line open)

[Archivist note:] Desc. of Man, p. 154

Conclusion. In this chapter we have seen that the early progenitors of man, like in the same manner as existing men at the present day & like all other existing animals were without doubt [text excised] or

[Archivist note:] Desc. of Man, p. 123

of gestation. In other [text excised]

two uterine cavities use quite distinct,

[text excised] provided with its own proper

[text excised] *(27) [text excised] stage is