PLATE XIV. 



Fig. ■">•>. — Slightly oblique cross section of the second cirrus of the spadix. G. L. X 12. 



A, artery. 



ti, gland. 



GL, layer of glands. 



N, nerve. 



V, vein. 

 Fig. 57. — Section through the slime gland on the sheath of the spadix perpendicular to the surface. C. L. ■ 20. 



A, a single cell of the glandular epithelium highly magnified. Camera lueida outline. Magnification about 

 400 diameters. 

 Fig. 5S. — Longitudinal section of the tip of the fourth cirrus of the spadix. C. L. X 10. 



N, nerve. 



V, vascular sinuses of the body of the cirrus. 



V, vascular sinuses in the ridges upon the outer side of the cirrus. 

 Fig. 59. — Slightly oblique cross section of the third cirrus of the spadix. ('. I., x 14. 



A, artery. 



Cr, crypt, with projecting tongue. By following the series of sections shown by each row of crypts the 

 manner in which the tongue projects from the wall of the crypt may be made out. 



CrL, layer of crypts. 



V, vein. 

 Fig. 60. — Longitudinal section of the tip of the third cirrus of the spadix. C. L. X 8. 



Cr, crypt. 



N, nerve. 

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