Datu. — Mollusca and Brachiopoda. 
PLATE 10. 
Fie. 1. Leda (Spinula) calcar Dall; lon. 15.2 mm.; p. 378. 
Fie. 2. Aligena borniana Dall; lon. 14.2 mm. ; p. 413. 
Fie. 38. Malletia peruviana Dall, profile ; lon. 28.0 mm.; p. 384. 
Fie. 4. Tellina (Moerella) chrysogona Dall, profile ; lon. 18.0 mm.; p. 420. 
Fie. 6. Malletia peruviana Dall, dorsal view ; lon. 28.0 mm.; p. 384. 
Fic. 6. Nucula agujana Dall, in profile; lon. 11.0 mm.; p. 370. 
Fig. 7 The same, umbonal view. 
Fig. 8. Lellina (Moerella) chrysogona Dall, umbonal view; lon. 138.0 mm.; p. 420. 
Fie. 9. Pecten (Pseudamusium) polyleptus Dall; alt. 9.5 mm.; p. 403. 
0. 
Fie. 10. Leda (Spinula) calcar Dall, dorsal view, showing external ligament, 
lunule, and escutcheon; lon. 15.2 mm.; p. 378. 
The figures for this plate were drawn by Miss Evelyn Mitchell. 
