PLATE LXV. 



Page 

 Steotoceinus kegalis (Hall) . 638 



Fig. la. Lateral view of the calyx. 



lb. Half of a ray to the fifth bifurcation, drawn from a large specimen. 



lo. The extended rim of a large specimen, having portions of the dorsal cup 

 broken away, exposing the subtegminal galleries at the inner floor of the 

 tegmen, and the grooves passing out from the centre and diverging to the 

 arms. 



Id. Specimen showing the outer face of the tegmen. 



Steotoobinus glyptus (Hall) 640 



2a. Dorsal aspect of a medium sized specimen. 

 2b. Tegmen of another specimen. 



(All specimens in the collection of Wachsmuth and Springer.) 



