1847.] SHARPE ON THE PALEOZOIC ROCKS OF N. AMERICA. 163 
BRACHIOPODA. 
Species. References and Synonyms. Strata. Localities. Found in Europe. 
ATRYPA 
congesta......... Conrad, Journ. Acad. Phil.|Medina sand- |Medina, Scho- 
v. 8, t. 16, f. 18; Hall,| stone, Tentacu-| harie. 
Report, p. 71, f. 2. lite limestone. 
didyma?......... Hisinger, Leth. Suec. t. 22,|Coralline lime- |Schoharie. {Ludlow form., 
f. 7; Sowerby, Sil. Syst.| stone. Ludlow, Goth- 
t. 6, f. 4. land. 
elongata......... Conrad, Ann. Report, 1839,\Oriskany sand- |Schoharie, 
p- 65; Vanuxem, Report,| stone. Frostburg, P*. 
p- 123, f. 2; Mather, Re- 
port, p. 342, f. 2; Hall, 
Report, p. 148, f. 2. Pen- 
tamerus elongatus ?, Con- 
rad, Ann. Report, 1838, 
p- 113; Vanuxem, Report, 
p- 132, f. 1; Mather, Re- 
port, p. 339, f. 1; Hall, 
Report, App. t. 34, f. 2. 
I san ewelsc Vanuxem, Report, p. 120,'Pentameruslime- Schoharie. 
f. 2; Mather, Report, p. stone, Delthyris 
343, f. 2. shaly limestone, 
Upper Pentame- 
rus limestone. 
limitaris......... Hall, Report, p. 180, f. 11./Marcellus shale. |Le Roy. 
Orthis sp. Vanuxem, Re- 
port, p. 146, f. 3 
MGIC. 20 nseuee Hall, Report, App. t. 13, f.5.|Niagara shale. (Lockport. 
peculiaris ...... Vanuxem, Report, p. 123,/Oriskany sand- |Schoharie. 
f.3; Mather, Report, p.| stone. 
342,f.3; Hall, Report, p. 
148, f. 3. A. singularis, 
Vanuxem, Report, p. 120, 
f. 3; Mather, Report, p. 
343, f. 3. 
REHM feswenevns Dalman; Hisinger, Leth./Pentameruslime-'!.................. Wenlock shale, 
Suec. t. 22, f.5. 4. tenui-| stone. Walsall, &c. 
striata,Sowerby, Sil. Syst.| 
fh Land, 3. 
CHONETES 
carinata ......... Strophomena sp. Conrad,|Ludlowville Genesee. 
Journ. Acad. Phil. v. 8,| shale. 
t. 14, f. 13; not of Conrad, 
Ann. Report, 1839, p. 64. 
_elegantula ...|Strophomena sp. Hall, Re-|Hudson’s River |Toronto, Jack- 
port, p. 72, f. 1. group, Trenton | sonburg. 
limestone. 
LEPTZENA. 
alternata ...... Conrad, Ann. Report, 1838,|Blue limestone. |Cincinnati. [Lower Silurian, 
p. 115; De Verneuil, Rus- Reval. 
sie, t. 14, f. 6. Stropho- 
mena sp. Emmons, Re- 
port, p. 393, f. 3; Hall, 
Paleont. N. Y. t. 31, f. 1; 
t. 31 A, f. 1. LZ. deltoidea, 
De Verneuil, Russie, t. 14, 
ee 
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