. A catechism of natural theology. Natural theology; Anatomy. 56 EYE. want of the eye generate the gland which produces the tear, or bore the hole by which it is discharged, —a hole through a bone ! " Fig. o, the lachrymal gland, the source of the tears, b, the channels or ducts which lead the tears from the lachrymal gland into the eye. c, c, the puncta lachrymalia, or tear holes, which conduct the tears into the outlet or lachrymal sac, by which they are discharged into the nostril. It will here be noticed that the reservoir precisely resembles the eye, not only as to having an outl


. A catechism of natural theology. Natural theology; Anatomy. 56 EYE. want of the eye generate the gland which produces the tear, or bore the hole by which it is discharged, —a hole through a bone ! " Fig. o, the lachrymal gland, the source of the tears, b, the channels or ducts which lead the tears from the lachrymal gland into the eye. c, c, the puncta lachrymalia, or tear holes, which conduct the tears into the outlet or lachrymal sac, by which they are discharged into the nostril. It will here be noticed that the reservoir precisely resembles the eye, not only as to having an outlet, but as to the fountain being in both cases e evated above the place of reception. Owing to this circum- s ance, the tears more readily enter the eye. It will also be observed, that in each instance the source is at one corner and the outlet at the opposite. This is evidently beneficial to he eye; thereby the tears must pass the entire length of dthaT^/ 1UbriCate ^ Wh°le SUrfkCe' b6f0re the* «• Are there any other respects in which we discover intentional contrivance for the security of the eye ? th w 1S ^^ ^ a stron§> b^y socket, called the orbit, composed of several bones, the upper of. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Nichols, I. (Ichabod), 1784-1859. Boston : W. Hyde


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Keywords: ., bookcentury1800, booksubjectanatomy, booksubjectnaturaltheology