APPENDIX. No. II. 401 
all the impressions of the shell, and the suckers on all the arms 
were diminished in size, as if from pressure. 
ExpLaNATION OF PLaTE XII. 
Fig. 1. Ocythoé Crancari sitting within the shell. 
Fig. 2. The animal without the shell. 
Fig. 3. One completely retracted within the shell. 
Fig. 4. Ditto taken out of the shell showing the impressions 
of the shell on the body. 
Fig. 5. Left superior arm (common appearance) magnified. 
Fig. 6, Right superior arm (variety) magnified. 
3f 
