Dau. — Mollusca and Brachiopoda, 
Fie. 1. 
TGs: 
Fie. 3. 
Fig. 4. 
Fie. 5. 
Fie. 6. 
Fie. 7. 
Fie. 8. 
Fie. 9. 
Fie. 10. 
Fig. 11. 
PLATE 4. 
Alectrion (Hima) miser Dall; alt. 20.0 mm.; p. 307. 
Solariella galapagana Dall; alt. 17.0 mm.; p. 850. 
Pleurotomella (Gymnobela) isogonia Dall; alt. 12.5 mm. ; p. 279. 
Cancelluria (Admete ?) californica Dall, adolescent specimen; alt. 9. mm. ; 
p. 296. 
Puncturella (Cranopsis) expansa Yall, profile ; alt. 10 mm.; p. 353. 
Mangilia enora Dall, alt. 9.5 mm.; p. 286. 
Oéccrys (Benthodolium) pacifica Dall, with operculum; alt. 30 mm.; 
p. 323. 
Dentalium agassizii Pilsbry and Sharp ; lon. 65 mm.; p. 358. 
Oécorys rotunda Dall, immature ; alt. 45 mm.; p. 322. 
Puncturella (Cranopsis) expansa Dall, from below ; width 26 mm. ; p. 353. 
The same from above; length, 32 mm. 
The drawings for this plate were made by the late Dr. J. C. McConnell: 
