338 PROCEEDINGS UF UNITED STATES NATIONAL MUSEUM. 
Mactra fragilis Chemn. 
Cedar Keys, young. 
Lyonsia hyalina, var. floridana Conrad. 
Plenty on the mud flats at Sarasota Bay and Cedar Keys. 
Macoma proxima Gray. 
Abundant at the mouth of the Manatee River. Large and fine, ap- 
proaching the form calcarea. 
Tellina levigata L. 
Young specimens sent from mud flats at Sarasota Bay. Large and 
extremely fine ones are abundant at Tampa, judging by specimens ob- 
tained by Conrad and others. ° 
Tellina agilis Stm.* 
Specimens which appear to belong to this species, of wuich ao au- 
thentic type is accessible to me, are reported by Mr. Hemphill to be 
found’ abundantly on the mud flats at Sarasota Bay, and a variety of 
the same from similar localities at Cedar Keys. It seems to be quite 
variable. 
Tellina mera Say.* 
Key West, rare on the beach. The specimens sent, though slightly 
rounder in outline than Say’s figure, agree with it and with his descrip- 
tion in all essentials. The species has been, in a manner, lost sight of 
for many years. 
Syndosmya equalis Say. 
Cedar Keys 
Semele nexilis Gould. 
Cedar Key young, probably this species; rare at low water. 
Donax’ vaHidbiles Say. 
Abundant in the sand at low water at Sarasota Key and at Fernan- 
dina. A most common species on the southern coast everywhere. 
Lucina tigerina L. 
Young specimens plenty on the beach at Key West. 
Lucina sp. indet. 
Three species of Lucina have been received from Cedar Keys but not 
] . 7 
yet identified. 
Loripes edentula L. 
Abundant between tides at Sarasota Bay. 
Cyrena floridana Conrad. 
Mud flats near high water at Sarasota Bay. This species was de- 
scribed a second time by Mr. Conrad himself in 1869 as Cyrena protexta.* 
*Cf Am. Journ. Conch. We Da LOW plede, Fig. a Oct., 1869. 
