PLATE XXX VI. 



HopLiTES YAKOUNENSis (page 280). 



Figure 1. Side view of the specimen fron the east end of Maud 

 Island, referred to in the text. 



" 1 a. Ventral view of the same. 



" 16. Outline of aperture of the same. 



Desmoceras (Puzozia) planulatum 1 var. (page 282). 



Figure 2. Side view of the more perfect of the two specimens from 

 Maple Island, described in the text, four-fifths the 

 natural size. 



