210 Mr. Carlisle on the Physiology of the Stapes. 
.The third and last lines of objects in the Plate, exhibit the 
outlines, and under surfaces, of the bases of the stapedes, and 
columellas, immediately above. In some, the surface is convex, 
in others concave, but neither the one nor the other are con- 
stant attendants on any common affinity. 
