p. 1

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

Spirifer congesta
Delthyris congesta, Hall [James Hall Jr. (September 12, 1811 – August 7, 1898) was an American geologist and paleontologist.] , N.Y. Geol.
Rep p 206 fig 2

Resembles S. granulifera ["S. granulifera" is underlined], but the
mesial fold is plain, [illegible crossed out] the surface free
from granulations, & the ribs fewer
in number.

L. 2.3 H 1.7 D 1.4