THE PAPILLA, PUNCTA LACRIMALIA, 

 AND NASAL DUCT 



THE only way to dissect the lacrimal appara- 

 tus, other ocular accessories, and the extrinsic 

 muscles, is to procure the head of some animal, 

 preferably a calf's head, because of its size. 

 Any butcher will supply one for from forty 

 to sixty cents. Have the lower jaw removed. 

 It will make a less bulky piece of material to 

 handle. 



Close to the inner canthus, on the inner side 

 of each lid, will be found a little rounded 

 eminence lacrimal papilla in the centre of 

 which is a small opening punctum lacrimalis. 

 Both may be seen better on the lower lid, if 

 it is pulled down, and on the upper lid, if it 

 is pulled up. 



Be supplied with two knitting-needles. Take 

 one, lubricate its full length with a little 

 vaseline, lard, oil, or any other lubricant. 

 Insert the needle into the punctum of the 



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