PLATE VII. 



Anisomton centrale (page 47). 



Figure 1. Side view of a specimen in wliicli tlie apex is distinct!}' 

 eccentric. 

 " \(i- The same as seen from above- 



" L'. Side view of a specimen in which tlie apox is nearly central. 

 " 2a. Dorsal aspect of the last. 



ScAPiitTEs suBGLOBOSus (page 52). 



Figure I!. Side view of a large but entirely septate and worn specimen, 

 from Old "Wives Creek, in which the finer surface markings 

 are jiartly obliterated. Tlii.s species is more fully illustrated 

 on tlie next plate. 



