PLATE XXVII. 



LYTOCERAS BATESI, Trask, (page 202). 

 Figure 1. Side view of a specimen from Bear Skin Bay. 



NERIN^EA MAUDENSIS (page 214). 



Figure 2. A large but imperfect specimen. 



2 a. Magnified view of a portion of the same. 



2 b. A young but very perfect individual 



5 c. Another immature specimen whose apex is broken off. 



2 d. View of a polished longitudinal section of another specimen to 



show the characters of the interior of the shell. 

 All the specimens figured are from the east end of Maud Island. 



CEBITHIUM SKIDEGA TENSE (page 215). 



Figure 3. Dorsal view of a specimen from the east end of Maud Island 



slightly enlarged. 



" 3 a. Magnified view of the last whorl but one of the same, to show the 

 details of the sculpture. 



VANIKORO PTTLCHELLA (page 215). 



Figure 4. Dorsal view of the type specimen from the east end of Maud 



Island, enlarged about two diameters. 



" 4 a. Ventral view of the same, to show the aperture and imperforate 

 base. 



