1843, page 200. fig. 80,4. Hamilton. — In Perry Co., Pa., Bar-
nett's mills, Spec. 11,682 (seven); and Drumgold's tannery,



Smo. 1114

VHI.C. 13,388 (eight); both in Hamilton upper

thales. — In Tioga Oo., Lawrenceville,
Spec. 850-6 (resembles S. nacrea), -7
(mostlycaats of interiors showing muscular
scars), -8 (many specimens mostly casts of
' - - interiors), -9 (a slab holding many exam-

ples of both valve8,and casts and impressions of them), -10 (with
fragments of other fossil forms), -11 (a block with 20 to 30 ex-
ampleE),-12 (cast), 850-13,-23 (casts, and bits of other fossils),
-27 (hinge line an inch long), -28 (dorsal and ventral valves,
impressioDB and casta) — all in Ckemung strata, VIII g. See
another Hgure under Strophomena ineguistriata, below.
Strophodonta {textilia) junia. Hall. Fal. N. Y. Vol. 4,



1115 Stro.
1867 (comgenda), page 108, plate 18, fig. 3 a, ventral valve :
3 b, aDOtber, longer than ueaal; 3 e, large dorsal valve, show-
ing binge area of tbe ventral valve and a narrow callosity in
tbe center; 3 d, interior of a dorsal valve, sbowing small mus-
cular area and slender binge process; 3e,enlarffed strite; i,
cast of ventral valve (apparently of this species) with long
binge line. Easily distinguished by its large size and Aatness,
bat its strife are like S- incequislriata, and the dorsal S. con-
cava and S. inequiradiata ; the ventral scars are like those of
S. perplana., bat differently arranged, and the hinge process is
longer. Found on the N. Y. lakes in Hamilton strata, and in
lully limestone. One dorsal valve was seen in the Comiferous
limestone. — la Perry Co., Pa., Sherman's creek, Drumgold's
tannery. Spec. 12,404, Hamilton upper shales. — Also, in
Carll's collections (C. E. Hall) from Chamung. YlII c,g.
