OEXESIS OF NASOLACRIMAL PASSAGES IX MAX 



19 



Fig. 24 From a term child. Barrier between the nasolacrimal duct and the 

 inferior nasal meatus still present. Xote the irregularity of the nasolacrimal 

 duct. Compare with fig. 30. X 2. it. 



Fig. 25 From an adult aged sixty years. X r ote the circular and regular con- 

 dition of the nasolacrimal duct. Reconstruction seen in fig. 29. X 2.(5. 



Fig. 26 From an adult aged sixty-five years. Note the marked diverticulum 

 i A') from the nasolacrimal duct. The nasolacrimal passages of this individual 

 are seen in reconstruction in figs. 30 and 31. X 2.<i. 



Fig. 27 From an adult aged seventy years. In the region of the ostium of 

 the common lacrimal duct. X 2.8. 



Fig. 28 Photographs of transections of the nasolacrimal duct at the point of 

 entrance (ostium of nasolacrimal duct) into the inferior nasal meatus. Note 

 the different types of ostia (o). The sections are from adults and are magni- 

 fied from two to four times. 



