164 PROCEEDINGS OF THE GEOLOGICAL society. [Dec. I, 
Species. References and Synonyms. Strata. Localities. Found in Europe. 
LepTrana (con- 
tinued). 
deltoidea.........,Strophomena sp. Conrad,|Hudson’s River |Quebec. 
Ann. Report, 1839, p. 64;| group. 
Emmons, Rep. p. 389, f. 2; 
Hall, Pal. JN: Yorics ons 
f. 3; not of De Verneuil, 
Russie, t. 14, f. 5. 
? demissa (5)...|Strophomena sp. Conrad,|Hamilton group. |18-mile Creek. 
Journ. Acac. Phil. v. 8, 
t. 14, f. 14. 
depressa (6) ... Dalman; Hisinger, t. 20, Blue limestone,|Cincinnati, |Lower and Up- 
f. 4; Sowerby, Sil. Syst.) Niagara lime-| Lockport, per Silurian, 
t. 12, f. 2. Strophomena\ stone,Rochester| GeneseeFalls,| Devonian and 
sp. Vanuxem, Report,| shale, Pentame-| Cedarville, Carboniferous 
p- 79, f. 5; Hall, Report, rus limestone, formations. 
p- 77, f.5; p. 104, f. 2.) Delthyris shaly| Schoharie, 
Strophomena rugosa,Con-| limestone, Cor- 
rad, Ann. Report, 1839, niferous lime-| Vienna. 
p- 62. Strophomena un-| stone. 
dulata, Hail, Report, p. 
175,f.3. L. tenuistriata, 
Hall, Pal. Nerwe"t:-si AY 
£4. 
BMDTEX ? cc .00.e: Pander sp., De Verneuil,Hudson’s River |Toronto. Wenlock shale, 
Russie, t. 15, f. 3; Da-| group. Walsall ; 
vidson, Charlesworth’s) LowerSilurian, 
Geol. Journ. y. 1, t. 12,) St. Petersburg. 
f. 25-28. 
sericea ......... Sowerby, Sil. Syst. t. 19,,Hudson’s River |Toronto, Cin- Lower Silurian, 
f. 1; Conrad, Ann. Re-| group, Blue | cinnati. passim. 
port, 1840, p. 201; Em-| limestone. 
mons, Report, p. 115; 
Hall, Pal. N. Y. t. 31 B, 
f. 2. Strophomena sp. 
Emmons, Report, p. 394, 
f. 1 ; Hall, Report, p. 30. 
L. semi-ovalis, Courad, 
Ann. Report, 1838, p. 
115; Vanuxem, Report, 
: p- 47. 
transversalis ...\Dalman ; Hisinger, Leth.|Rochester shale. |Genesee Falls. Lower Silurian 
Suec. t. 20, f. 5; Sowerby, and Wenlock 
Sil. Syst. t. 13, f. 3. Stro- shale. 
phomena sp. Conrad, Ann. 
Report, 1840, p. 202 5} 
Hall, Report, p. 104, f. 4. 
LINGULA. 
BUIGAS. Coenen Conrad; Hall, Paleont. N.Y. Potsdam sand- |Kelsville. 
PAC dee stene. 
culcata os. Conrad, Ann. Report, 1839,,Medina sand- /|Medina. 
p- 64; Hall, Report, p. 45,) stone. 
f.53 p. 52, f. 10. 
ORBICULA. 
jgrandis ......... Vanuxem, Report, t.152,f.4.| Hamilton group. 
MANNA ...ee0005 Hall, Report, p. 180, f. 9. |Marcellus shale,|Le Roy, 
Hamilton group.|Avon. 
