MILLER 



PLATE 



FIG. 12. Ventral view of a reconstruction from serial sections of the last five cartilages of the trachea and of the right and left 

 bronchi of the guinea-pig as far as the beginning of the first lateral branch of the main stem bronchus within each 

 lobus inferior. Only a portion of the first cartilage entering into the reconstruction is shown. Note the angle at 

 the bifurcation and the uniform size of the right and left bronchi. 1-5, tracheal cartilages. 1 K. B., first right 

 bronchial cartilage. 1 L. B., first left bronchial cartilage. The lines drawn across the reconstruction show the 

 plane along which the indicated figure is taken. The position of the cartilages shown in individual drawings is 

 also indicated. X6. 



Fio .13. Dorsal view of the preceding reconstruction. The plane along which the indicated figures are taken is shown; also 

 the position of the cartilages which are shown in individual drawings. X6. 



