PLATE XXXII 
Fig. 1. Actinoceras tenuifilum (Hall). Cross-section of specimen, Figure 2 
on Plate 28, from Watertown, New York. 
Fig. 2. Actinoceras sp. Cross-section of specimen. Figure? on Plate 27, from, 
either Boothia Felix or King William Land. 
Fig. 3. Actinoceras amundseni Sp. nov. Cross-section of specimen. Figure 1,. 
on Plate 29, from either Boothia Felix or King William Land. 
Fig. 4. Actinoceras tenuifilum centrale Var. nov. Cross-section of specimen,. 
Figure 1 on Plate 28, from Watertown, New York. 
Fig. 5. Actinoceras cf. tenuifilum centrale var. Cross-section of specimen,. 
Figure 4 on Plate 28, from either Boothia Felix or King William Land. 
Fig. 6. Actinoceras tenuifilum ursinum Var. nov. Cross-section of specimen,. 
Figure 3 on Plate 28, from Bear Island. 
Fig. 7. Actinoceras sp. Cross-section of specimen. Figure 2 on Plate 30, from 
either Boothia Felix or from King William Land. 
Fig. 8. Leurorthoceras hansejii Gen. et sp. nov. Cross-section of specimen, 
Figure 1 on Plate 30 and Figure 1 on Plate 31, from either Boothia Felix or from 
King William Land. 
In all of these figures the missing parts are indicated by broken lines. Both 
the maximum and minimum dimenions of the siphuncle at the annulations and 
at the intermediate grooves are indicated. 
