170 PROCEEDINGS OF THE GEOLOGICAL SociETY.  [Dec. 1 
Species. References and Synonyms. Strata. Localities. Found in Europe. 
TEREBRATULA, 
subgenus 
Hypothyris | 
(continued). 
hysta® fo2.25.0 a Hall, Report, p.|;Chemung group. Corning,Tioga. 
yar pis eee 
modesta......... Hall, Baoan N. Y. t. 33,/Blue limestone. |Cincinnati. 
fee 
HUGHIA  ....08.u: Sowerby, Sil. Syst. t. 5,|Hamilton group,Oneonta. Ludlow form., 
f. 20. Chemung group. passim. 
reticularis ...... Linneus sp. Hisinger sp. T.Blue limestone ?\Cincinnati? {Wenlock, Lud- 
afinis, Sowerby, Min.! Niagara shale,) Lockport, low and De- 
Con. t. 324, f. 2. Atrypa Rochestershale, GeneseeFalls,| yonian forma- 
affinis, Sow. Sil. Syst. t. 6, Pentamerus Cedarville, | tions. 
f. 5; Vanuxem, Report,| limestone, Scu-| Schoharie, 
p- 88, f. 12; Hall, Report,| tella limestone, 
p- 77,f. 8; p. 108, f. 37;| Oriskany sand-| Schoharie, 
p. 215,f. 4. Atrypa pris-| stone, Cornife- 
ca, Mather, Report,p.337,| rous limestone,| Williamsville, 
f. 5; Vanuxem, Report,| Hamilton group,! Moscow, &c., 
p. 88, & 12; ‘p. 13958. 5% Chemung group.| near Bath. 
Hall, Report, p.175, f. 5; 
p- 198, f. 4. <Atrypa tri- 
bulis, Hall, Report, p.271, 
f. 3. Hipparionyx consi- 
milaris ?, Vanuxem, Re- 
port, p. 132,f.2; Mather, 
Report, p. 339,f.2; Hall, 
Report, App. t. 34, f. 2. . 
Stricklandi...... geigeee Sil. Syst. t. 13,/Pentamerus Schoharie. | Wenlock 
£19, limestone, formation. 
Delthyris shaly 
limestone, Up- 
per Pentamerus 
limestone, Scu- 
tella limestone. 
unguiformis (15)| dérypa sp. Conrad; Hall,|Oriskany sand- Seckene 
Report, p- 149, f. 1. Hip- stone. 
parionyx proaimus, Va- 
nuxem, Report, p. 124, f. 
4; Mather, Report, p. 342, 
f. 4. 
TREMATIS, 
Sharpe. 
terminalis ...... Orbicula sp. Emmons, Re-|Blue limestone. /Cincinnati. 
port, p. 395, f. 4; Hall, 
Palzont. N.Y. t. 30, f. 11. ¢ 
GASTEROPODA. 
Natica. 5 
lineata ......... Platyostoma sp. _ Conrad,|Corniferous Williamsville. 
Journ. Acad. Phil. v. 8,) limestone. 
td ae 
