I 



NO. i.'io. SYXOPSIS OF NORTH AMERICAN TELLINID.E—DALL. 311 



sand. Specimens from St. Thomas. West Indies, which appear other- 

 wise similar, are transhicent whitish instead of rosaceous. The species 

 has a distant resemblance to the European Tdlina nitida. 



TELLINA (LIOTELLINA) IHERINGI new species. 

 (Plate 11, li<r. 2.) 



Shell polished, white, with a pal(> olivaceous periost-racum, showing 

 darker concentric zones; moderately convex, elongated, the anterior 

 end longer, evenh' rounded, the shorter posterior end wedge-shaped, 

 hardh' liexuous, with the umbonal ridge ol)scure; umbones white, 

 small, little elevated; lunule and escutcheon linear or nearly so, liga- 

 ment short, deeply inset; interior white with a slight yellowish flush 

 anteriorly; hinge normal, the teeth all present but small; pallial siiuis 

 low, reaching in front to the posterior vertical of the anterior adductor 

 scar, confluent below. Lon., 27; alt., 13; diam., 5.5 mm. 



Typt.—^o. 108531, U.S.N.M.; dredged by the U. S. Fish Com- 

 mission ofl' the Rio La Plata, in 10^ fathoms sand, at station 2765. 



This species is not nearly related to any other American Tellma, 

 and the surface shows only faint incremental lines a little stronger on 

 the rostrum. 



TELLINA (ELLIPTOTELLINA) AMERICANA new species. 

 (Plate II, fig. 8.) 



Shell small, convex, having much the form of an Ervilia^ white or 

 pale straw color, with a crimson spot or streak on the dorsal margin 

 near each end; sculpture of well-marked narrow, close, concentric 

 ripples over the whole surface, crossed near the posterior end b}^ fee- 

 ble, close set, radial grooves; anterior end longer and slightl}" more 

 pointed; beaks low, ligament short; hinge with the teeth well devel- 

 oped, pallial sinus short, rounded, obliquely ascending and free from 

 the pallial line below. Lon. 8.5, alt. 5.5, diam. 3.2 mm. 



7}/7>..— No. 92154. U.S.N.M.; dredged by the U. S. Fish Commis- 

 sion in 52 fathoms sand, 31 miles SE. by S. from Cape Lookout, 

 North Carolina, at station 2612; l)ottom temperature 67° F. 



This little shell is very interesting as being the first species of the 

 subgenus recognized in the recent state. Another of unknown habi- 

 tat had been described bv Bertin, in 1878, but no one had recognized 

 its proper systematic Y)lace. A third species has been dredged by the 

 U. S. Fish Commission on the Pacific coast, which is also described in 

 this paper. 



TELLINA (MERISCA) CRYSTALLINA Wood. 



(Plate II, fig. 10.) 



This species has not been reported before from the coast of the 

 United States, so we have figured a valve collected some years ago by 



