TERTIARY MOLLUSCA. 147 



Localities. Santiago, Willcox, Vaughan; Consolacion del Sur, the 

 Alcalde; and Vento, Cuba, Wren, Black, stations 3192, 3435, 3474, 

 4290, 5255. 



Geologic horizon. Oligocene. 

 Specimens. U. S. Nat. Mus. 



Panope species. 



An internal cast of a large Panope was collected by T. H. Wren at 

 Vento, Cuba. The dimensions are : Alt., 68 mm. ; long., 115 mm. ; diam., 

 46 mm. 



Locality. Vento, near Havana, Cuba, station 4290, Wren. 



Geologic horizon. Oligocene. 



Specimen. U. S. Nat. Mus. No. 167164. 



Solemya sulcif era, new species. 

 (Plate 14, Figure 3.) 



The following is a description of this species: 



Shell elongate-elliptical; beaks situated near the posterior quarter; umbonal 

 region moderately inflated; a broad, shallow depression extends from the beaks 

 to the middle of the ventral margin; surface ornamented with about 15 broad, 

 shallow, radiating, irregularly spaced grooves separated by slightly broader 

 flat ribs. 



Length of fragmentary specimen, about 67 mm.; altitude, about 31 mm. 



Locality. Angela Elmira asphalt mine, near Bejucal, Cuba, station 

 3652, Wiebusch. 



Geologic horizon. Oligocene? 

 Type.U. S. Nat. Mus. No. 167165. 



Tellina species. 



The cast of a left valve which closely resembles the living Tellina 

 interrupts Wood. 



Alt., 29 mm.; long., 55 mm. 



Locality. Near Santiago, Cuba, station 5255, Black. 



Geologic horizon. Oligocene. 



Specimen U. S. Nat. Mus. No. 167166. 



Semele? species. 

 (Plate 14, Figure 1.) 



From Antigua come fragments of two left valves, each of which has 

 lost the posterior end. The shell is striated in accordance with the 

 lines of growth, but is otherwise smooth. The hinge of one specimen 

 is partly exposed, showing two cardinal teeth, but not sufficiently to 

 establish positively the generic position. 



Locality. Willoughby Bay, Antigua, station 6881, Vaughan. 



Geologic horizon. Oligocene. 



Figured specimen. U. S. Nat. Mus. No. 167167. 



