Box 25, Folder 15: Paleontology Notes 6, Brachiopoda II

[blue ruled paper]

Genus Orbicella

Pict. Pal. 4 p 69

[blue ruled paper; worn embossing at u.l.: SUPERFINE LAID PAPER [scrolling banner surrounding text]]

Orbicula coelata, Hall, Pal. of N.Y. Vol. 1 p. 290 pl. 79 fig. 9.

Orbicular, small; apex excentric, depressed along the centre, subplicated near the margins; surface marked by fine concentric lines and minute elevated points, giving it the appearance of being covered by a poriferous coral. - by which it is readily distinguished.

D 0.10 & 0.12

[blue ruled paper; worn embossing at u.r.: SUPERFINE LAID PAPER [scrolling banner surrounding text]; handwritten page, verso, visible]

Lower Silurian-Hudson River Group.

Near Troy N.Y. - Cincinnati Ohio.

[blue ruled paper; worn embossing at u.l.: SUPERFINE LAID PAPER [scrolling banner surrounding text]; handwritten page, verso, visible]

Orbicula? crassa, Hall, Pal. of N.Y. Vol. 1 p 290 pl 79 fig. 8.

Ovate = orbicular, with the apex near the narrower extremity; apex obtuse; surface marked by strong concentric wrinkles, and fine radiating striae - These characters are presented in the cast.

D 0.45

[blue ruled paper; worn embossing at u.r.: SUPERFINE LAID PAPER [scrolling banner surrounding text]; handwritten page, verso, visible]

Lower Silurian - Judson River Group.

Two miles N.E. of Troy N.Y.