DxLh. — MolluEca and Brachiopoda. 



PLATE 5. 



Porotnija ( Dermatomya) eqnatorialis Dall, side view ; Ion. 6.5 mm. ; p. 429. 



The same, left valve from above, showing the projecting lateral tooth. 



Cadulus striatus Dall ; Ion. 24.8 mm. ; p. 360. 



Myonera c/arretti Dall, profile ; Ion. 13.5 mm. ; p. 434. 



Yoldia (Kdtadesmia) vincula Dall; Ion. 14 mm. ; p. 379. 



Solenosteira elegans Dall ; alt. 38 mm. ; p. 300. 



Acteon (Microglyphis) mazath.nicus Dall ; alt. 5.5 mm. ; p. 237. 



Adelomelon bentkalis Dall (the entire surface is slightly eroded) ; alt. 125 



mm. ; p. 298. 

 Leptothyra panamensis Dall ; alt. 0.5 mm. ; p. 342. 

 Terehra (Striote.rebrum) panamensis Dall ; alt. 22.0 mm. ; p. 250. 

 Soluriella equatorialis Dall ; alt. 21 mm. ; p. 351. 



The drawings for this plate are by tlie late Dr. J. C. McConnell. 



