Datu. — Mollusca and Brachiopoda. 
Fic. 1. 
re. 2: 
Fie. 3. 
Fic. 4. 
Hie. 5. 
Fia. 6. 
IPTG Hei 
ES th 
Fic. 9. 
Fic. 10. 
Fig. 11. 
PLATE 5. 
Poromya (Dermatomya) equatorialis Dall, side view; lon. 6.5 mm.; p. 429. 
The same, left valve from above, showing the projecting lateral tooth. 
Cadulus striatus Dall; lon. 24.8 mm.; p. 360. 
Myonera garretti Dall, profile ; lon. 13.5 mm.; p. 4384. 
Yoldia (Katadesmia) vincula Dall; lon. 14 mm. ; p. 879. 
Solenosteira elegans Dall; alt. 88 mm.; p. 300. 
Acteon (Microglyphis) mazatlanicus Dall; alt. 5.5 mm.; p. 287. 
Adelomelon benthalis Dall (the entire surface is slightly eroded) ; alt. 125 
mn).; p. 298. 
Leptothyra panamensis Dall; alt. 9.5 mm.; p. 342. 
Terebra (Strioterebrum) panamensis Dall; alt. 22.0 mm.; p. 250. 
Solariella equatorialis Dall; alt. 21 mm.; p. 351. 
The drawings for this plate are by the late Dr. J. C. McConnell. 
