PLATE 111.
ERIDOPHYLLUM HURONICUM.
Portion of longitudinal section through corallum, from the stratum
of white clay of the Upper Niagara, ten feet below the Niagara
and Devonian passage-beds, near Louisville. Collection of the author.
PLATE 112.
ERIDOPHYLLUM SIMCOENSE. Devonian.
1. Lateral view of corallets, from the Lower Devonian, Falls of the Ohio.
ERIDOPHYLLUM ARUNDINACEUM. Devonian.
2. Lateral view of corallets, partly imbedded in rock matrix, from the Lower
Devonian, Falls of the Ohio.
DIPHYPHYLLUM ARCHIACI. Devonian.
3. View of the upper surface of a corallum, whose corallets are above the
average size; from the dark-red encrinal-limestone clay of the Upper
Devonian, near Louisville. These specimens are from the collection of the
author.
PLATE 113.
DIPHYPHYLLUM ARCHIACI. Devonian.
1. Lateral view of specimen figured in Plate 112, Fig. 3.
DIPHYPHYLLUM VERNEUILANUM. Devonian.
2. Lateral view of a fragment, from the Middle Devonian rocks, Falls of the
Ohio. Collection of Dr. Knapp.
CYATHOPHYLLUM DAVIDSONI. Devonian.
3. View of the upper surface of a corallum, from the Middle Devonian rocks,
Falls of the Ohio. Collection of the author.
PLATE 114.
DIPHYPHYLLUM STRICTUM. Devonian.
View of the upper surface of a corallum, from the Middle Devonian rocks,
Falls of the Ohio.
Collection of the author.
PLATE 115.
DIPHYPHYLLUM GIGAS. Devonian.
1. Lateral view of a weathered corallum, from the Middle Devonian rocks,
Falls of the Ohio.
2. View of the upper surface of a fragment, from the Middle Devonian red
clay, near Louisville.
DIPHYPHYLLUM PANICUM. Devonian.
3. 4. View of the upper surfaces of small coralla, from the Middle Devonian
red clay, near Louisville.
Collection of the author.
PLATE 116.
DIPHYPHYLLUM CONJUNCTUM, Nov. Spec. Devonian.
1. View of the upper surface of a corallum, from the Middle Devonian rocks,
Falls of the Ohio.
2. View of the upper surface of a corallum, showing the up-springing of
young corallets from the floors of the polygonally compressed older calyces;
from the ferruginous clay of the upper strata of the Middle Devonian, Falls
of the Ohio.
3. Vertical section of a fragment, from the horizon and locality of the
preceding specimen.
DIPHYPHYLLUM BELLIS, Nov. Spec. Devonian.
4. Oblique view of the upper surface of a corallum, from the upper rock
strata of the Middle Devonian, Falls of the Ohio.
Collection of the author.
PLATE 117.
DIPHYPHYLLUM COALESCENS, Nov. Spec. Devonian.
1. View of the upper surface of a corallum, from the upper rock strata
of the Middle Devonian, Falls of the Ohio.
DIPHYPHYLLUM COAGULATUM, Nov. Spec. Devonian.
2. View of the upper surface of a corallum, from the horizon and
neighborhood of the preceding species.
Collection of the author.
PLATE 118.
PHILLIPSASTREA GIGAS. Devonian.
1. View of the upper surface of a fragment, from the Middle Devonian waste
of Marion county. Collection of the author.
2. View of the upper surface of a fragment, from the Middle Devonian red
clay, near Louisville. Collection of Mr. McConathy.
PHILLIPSASTREA INGENS, Nov. Spec. Devonian.
3. View of the upper surface of a fragment, showing the upraised rounded
rims between the central pits and the perimeters of the explanate calyces;
from the Middle Devonian waste of Marion county. Collection of the author.
PLATE 119.
PHILLIPSASTREA INGENS, Nov. Spec. Devonian.
View of the upper surface of a corallum, from the Middle Devonian waste of
Marion county. Collection of the author.
[NOTE.—In the right upper corner are seen twin corallets. These spring from
the margin of the inferior calyx.]
PLATE 120.
STROMBODES KNOTTI, Nov. Spec. Devonian.
1. View of the upper surface of a fragment, from the Lower Devonian clay of
Marion county. Collection of Mr. Knott.
2. View of the upper surface of a fragment, showing somewhat larger central
pits.
3. View of the upper surface of a fragment.
4. View of the under surface of a fragment.
5. View of the under surface of a fragment, with a part of the epitheca
fortuitously stripped so as to show the terete apical part of a corallet.
Specimens 2, 3, 4, 5, are from the horizon and vicinage of example 1.
Collection of the author.
6. View of the upper surface of a moderately well preserved example, with
extra-sized central pits and calyx walls better defined than is common.
From the horizon and neighborhood of the other specimens. Collection of Mr.
Linney.
