

.^r\ 



j« 



if' y 



ffl '!}''••> t. 





Jm 



ik 



H 



i\ 



Vi 



0.1 



Millimeters 



I 't-s.. 



/' 



"•Jl^f 



Figure 58. — Longitudinal (dorsoventral) .section of the resilium of C. virginica. Two structural elements are seen: 

 Band of fibriUae extending in vertical direction in the plane of the picture, and horizontal bands of various thicknesses 

 consisting of numerous globules. 



52 



FISH AND WILDLIFE SERVICE 



