IHaLe I. 



Vol.. V. 



s> , ':it?3'' 



Terebratula papulosa, x i8, Fig. i front view, Fig. 2 side view, Fig. 3 

 Dorsal view. Fig. 4 Scalaria pseudoscalaris Brocchi. Fig. 5 Concholepas 

 /V/'wz'/cww.f showing position of operculum, MM mantle, F foot, p proboscis, 

 running into C canal, T tentacles, T ' the two labial teeth, O operculum. 



