AND SALEXI A FROM SOUTH AUSTRALIA. 



257 



Belemxites SBNB8CBNS, spec. uov. Fig. 1. 



Guard elongated, slender, gradually tapering to an acute apex, 

 cylindrical, but inclined to subquadrangular in section, especially 



Fig. 1 . — BeZemnites seneseens, 

 Tate. 



Fig. 2. — Salenia tertiaria, 

 Tate. 



a. View of the most perfect 



specimen obtained, na- 

 tural size. 



b. Its proximal end. 



c. Section of another speci- 



men, enlarged. 



a. From above, enlarged. 



b. From tbe side, enlarged. 



c. An ambulacrum, still more 



enlarged. 



towards the alveolar region ; without grooves or furrows. Length 

 from 12 to 15 times the width. Alveolus imperfectly known, 

 apparently shallow, with a broadly obtuse base(?). 



Q. J. G. S. No. 130. s 



