Dall. — MoUueca and Brachiopoda. 



PLATE 9. 



Fig. 1. Ceplialopod beak, showing excavations made by Bathysciadium pacijjcum 

 (circular) and Cocculina (ovoid) f ; p. 339. 



FitJ. 2. Polynices (Euspira) agujanus Dall ; alt. 26.0 mm.; p. 33-1. 



Fig. 3. Bathysciadium pacijicum Dall, viewed from above; diameter of base 

 5.0 mm. ; p. 339. 



Fig. 4. Pecten (Pseudamusium) neoceanicus Dall; alt. 12.0 mm ; p. 402. 



Fig. 5. Epitonium (Stfienorhytis) turbinum Dall; basal view; diameter 28.0 mm. ; 

 p. 317. 



Fig. 6. The same, viewed from above, showing the decollation of the spire. 



Fig. 7. Bathysciadium pacijicum Dall, in profile, showing fringes of periostracum ; 

 p. 339. 



Fig. 8. Epitonium (Sthenorhytis) turbinum Dall, profile of decollate specimen ; diam- 

 eter 28.0 mm.; p. 317. 



Figure 4 was drawn by the late Dr. J. C. McConnell, the others by Miss Evelyn 

 Mitchell. 



