1847.] SHARPE ON THE PALHOZOIC ROCKS OF N. AMERICA. 167 
Species. References and Synonyms. Strata. Localities, |Found in Europe 
SPIRIFER (con- 
tinued). 
biforatus (10)...|Schlotheim sp. De Verneuil,/Blue limestone. Cincinnati, 
Russie, v. 2, p. 135. Del- Richmond, 
thyris sp. Hall, Palzeont. it, &c. 
N.. Y.. p.. 132; var. Lynz, 
Eichwald; De Verneuil, 
Russie, v. 2, t. 3, f.3 & 4; 
Hall, Pal. N.-Y. +. 32 D, 
f. 1; var. Chama, Ejich- 
wald; De Verneuil, Russie, 
We 2,0. oO, £1): Ball, Pas 
leont. N. Y.t.32 D,f.1 R. 
Delthyrisacutilirata,Con- 
rad, Journ.Acad. Phil. v. 8, 
: t. 14, £. 15. 
congestus ...... Delthyris sp. Hall, Report,|Hamilton group,}Ovid, Ludlow- 
p- 207, f. 2. Chemung group.| ville,Oneonta. 
SeRPWS i cssec.. Delthyris sp. Dalman; Hi-|Niagara shale. |Lockport. 
singer, Leth. Suec. t. 21, 
f.5 ; Sow. Sil. Syst. t. 12, 
f. 8. Delthyris staminea, 
Hall, Report, p. 105, f. 3. 
decemplicatus..| Delthyris sp. Hall, Report,|Niagara shale. (Lockport. 
| p- 105, f. 4. 
jgranuliferus ...| Delthyris sp. Hall, Report,|Hamilton group.|18-mile Creek. 
p. 207, 1.1. 
ENES sexecapssesi Delthyris sp. Hall, Report,|Portage group. |Ithaca. 
p. 245, f. 1. 
macronotus(11)| Delthyris sp. Hall, Report,|Hamilton group.|Ovid, 18-mile |Devonian and 
p- 207, f.3. S. cuspidatus, Creek. Carboniferous 
Koninck, Foss. Belg. t. 14, formations. 
f.1; Phillips, Pal. Foss. 
t. 29, f. 124 db. 
macropleura ...|Delthyris sp. Conrad, Ann.|Delthyris shaly |Schoharie. 
Report, 1840, p. 206;) limestone. 
Vanuxem, Report, p. 120, 
f. 1; Mather, Report, p. 
Lower Silurian 
formation, St. 
Petersburg, 
&e. 
Wenlock form., 
passim. 
343, f. 1. 
medialis ...... Delthyris sp. Hall, Report,|Ludlowville Ovid. 
p- 288, f. 8. shale. 
mesastrialis ...|Delthyris sp. Hall, Report,,;Chemung group.,Orwigsburg, 
; p. 269, f. 1. p>. 
mucronatus ...|Delthyris sp. Conrad, Ann.|Hamilton group,'18-mile Creek, 
Rep. 1841,p.54; Van. Rep. Chemung group.) Phillipsburg, 
p: 150, £..3; Hall, Rep: Corning, 
p- 198, f. 2.& 3; p. 205, Tioga. 
f..3,; p-270, f. 3. 
Niagarensis ...|Delihyris sp. Conrad,Journ.|Niagara shale. (Lockport. 
Acad. Phil. v. 8, p. 261; 
Hall, Report, p. 105, f. 1. 
plicatus (12) ...|Orthis sp. Vanuxem, Rep.|Tentaculite lime- Schoharie. 
p-112,f.1. Delthyris sp.| stone, Pentame- 
Hall, Report, p. 142, f. 1.) rus limestone. 
S. octoplicatus, Sowerby, 
Sil. Syst. t. 12, f. 7; not 
of Min. Con. 
Wenlock and 
Ludlow forma- 
tions. 
