NO. 131:2. SYNOPSIS OF THE VENERID.E—DALL. 379 



PARASTARTE TRIQUETRA Conrad, 1845. 



From Hillsboro Inlet, on the east coast of Florida, .south to the Keys, 

 and on the west coast north to Cedar Keys, Also fossil in the Pliocene. 



Small, polished, ver}- elevated, purple and white. Though much 

 resembling- Gennna^ it can easily be discriminated by its smooth and 

 more elevated shell. 



NOTES ON AND DESCRIPTIONS OF EAST AMERICAN SPECIES. 



DOSINIA (DOSINIDIA) ELEGANS Conrad. 



Plate XII, tis. 6; Plate XIII, fig. 7. 



Owing to the confusion that has involved this species a tigure of it 

 was thought to be desirable. 

 The figured shell is from Florida. Cat. No. 6120, U.S.N.M. 



DOSINIA (DOSINIDIA) DISCUS Reeve. 



Plate XII, tig. 1; Plate XIII, tig. 1. 



No good figure of tliis species being available in any recent Ameri- 

 can publication, one is now supplied. The specimen is from South 

 Carolina. Cat. No. 54094, U.S.N.M. 



TRANSENNELLA CONRADINA Dall. 



Plate XIII, fig. o. 



Cijtherea {Traiwenndla) conradina Dall, Proc. U. S. Nat. Mus., VI, 1883, p. 340. 



A figure drawn from a specimen of T. stinvpsoni Dall, as noted below, 

 was inadvertently published under this name, so I now give a figure 

 taken from one of the typical specimens. Cat. No. 64437, U.S.N.M. 



TRANSENNELLA CUBANIANA Orbigny. 



Plate XIII, tig. 4. 



Yenns cuhaniamt Orbicny, Moll. Ciibana (Sagra), II, 1853, p. 278, pi. xxvi, 

 tigs. 44-46. 



An enlarged figure of this species is given, which shows a few brown 

 flecks dorsally, though this species is usually pure white. It is from 

 Florida. Cat. No. 54135, U.S.N.M. 



TRANSENNELLA STIMPSONI, new species. 



Meirtrix roiiraiViiKi Dall, Proc. U. S. Nat. ]\Ius., XXIV, j)l. xxxi, figs. 5, 7. 



Shell small, rounded trigonal, rather [)lump, polished, painted with 

 purple-brown on a white ground externally, the lunule, and central 

 portion of the disk internally usually purplish; beaks prominent, 

 incurved, small; lunuledefined by a sulcus, elongate, narrow; escutcheon 

 not defined; beaks five-fourteenths of the length from the anterior end, 

 Proc. N. M. vol. xxvi— 02 26 



