Plate XLII. 



FIGS. PAGE 



1. Gauclrijceras Kayei (Forbes) ... ... ... ... ... 335 



Portion of external margin x 1§. 



2. HolcodiscKs, sp. ... ... ... ... ... ... •.• 336 



2rt X li; 2b, apertural view of 2a. 



3. Eulophoceras natalense, Hyatt ... ... ... ... ... 337 



3b suture of Sa. 



4. Heteroceras, sp. 339 



External margin of evolute portion. 



5. Heteroceras, sp. ... ... ... ... ... ... ... 339 



5a external view ; ?)b, internal view of evolute part; or, suture x 3. 



