166 PROCEEDINGS OF THE GEOLOGICAL sociEeTy. [Dec. 1, 
Species. References and Synonyms. Strata. Localities. Found in Europe. 
PENTAMERUS. 
galeatus (9) ...|4érypa sp. Dalman; Hi-|Pentameruslime-|Cedarville, [Wenlock and 
singer, Leth. Suec. t. 22,) stone, Delthyris| Schoharie. Ludlow forma- 
f. 1; Sowerby, Sil. Syst.| shaly limestone. tions. 
+73, aeaO = t. W2 oa 
Vanuxem, Report, p. 117, 
f.1; Mather, Report, p. 
346, f.1; Hall, Report, 
App. t. 27, f. 1. 
laevis ....es0.0e2.;90Werby, Sil. Syst. t. 19,/Cliff limestone. |Ohio. Lower Silurian 
f. 9. P. oblongus, Hall, form. 
Report, p. 71. 
oblongus ...... Sowerby, Sil. Syst. t. 19,'\Clinton group. j|Genesee Falls. |Lower Silurian 
f. 10; Conrad, Ann. Re- form. 
port, 1840, p. 201; Va- 
nuxem, Report, p. 88; 
Hall, Report, p. 70, f. 1-5. 
PRODUCTUS. 
fragaria? ...... Leptena sp. Sowerby, Geol..\Chemung group.|Near Bath. |Devonianform., 
Tr. 2 ser. v. 5, t. 56, f. 5, 6; Devonshire. 
Phillips, Pal. Foss. t. 25, 
f. 100. 
Sowerby, Min. Con. t. 459, Chemung group./Near Tioga. |Carboniferous 
{2; form., passim. 
Sowerby, Min. Con. t. 69, Hamilton group.|.............c000 Devonian and 
f. 1. Strophomena lachry- Carboniferous 
mosa, Conrad, Journ. formations, 
Acad. Phil. v. 8, t. 14, ~ 
£. 9: 
plicatilis? ...... 
scabriculus? ... 
SPIRIFER. 
acanthota ...... Delthyris sp. Hall, Report, Chemung group. eta 
p. 270, f. 2. Delthyris 
inermis, Hall, Report, p. 
270, f. 4. Delthyris cus- 
pidata, Hall, Report, p. 
270, f. 1 
..(Bronn sp. Leth. Geog. t. 2, Chemung group. Alleghany C°. Devonian form., 
f..13. Eifel. iA 
Delthyris sp. Conrad, Ann.Oriskany sand- |Schoharie. (The Oural. , 
Report, 1839, p. 65; Hall,| stone. 1 
Report, p. 148, f. 1; p. 
149, f.5. Delthyris are- 
naria, Vanuxem, Report, 
p- 123, f. 1 p.2a 53 
Mather, Report, p. 342, 
f.1& 5. Spirifer superbus, 
Eichwald; De Verneuil, 
Russie, v. 2, t. 5, f. 4. 
Linneus sp. Delthyris car-|Niagara group. |Wolcot, &c. |Wenlock form. 
diospermiformis, Dalman; 
Hisinger, Leth. Suec.t. 21, 
f. 9. Spirifer sinuatus, 
Sowerby, Sil. Syst. t. 13, 
f. 10; Hall, Report, p. 105, 
f. 8.  Delthyris varica, 
Conrad, Journ. Acad. Phil. 
Vv, 8,4, 14/620. 
aperturatus 
AFENOSUS  ...e0e 
PISO: caer nicest 
