PLATE 11.
FAVOSITES HEMISPHERICUS, et varietates. Devonian.
1. Lateral view of a weathered example, showing corallet walls incrassated
by siliceous deposits during fossilization, from the Middle Devonian, near
Louisville. Collection of the author.
2. Vertical section of an example from the same locality. Collection of the
author.
3. Lateral view of a corallum from the same horizon, near Louisville.
Collection of the author.
4. Conical section, parallel with the operculous exterior, from the same
horizon and place. Collection of the author.
5. 6. Lateral views of sub-bacillate forms, from the upper clay beds of the
Middle Devonian; near Louisville. Collection of the author.
7. Lateral view of a corallum, whose operculous apex has been flattened by
attachment to a marine object; from the locality of 5 and 6.
8. Portion of a corallum from the dark red clays derived from the
de-composition of the encrinal limestone lying under the shale which caps
the Devonian; near Louisville. Collection of the author.
9. Lateral view of a distorted example formed by two sub-bacillate forms
intimately united; from the horizon of 5 and 6, near Louisville. Collection
of the author.
PLATE 12.
FAVOSITES EPIDERMATUS. Devonian.
1. Upper surface of a corallum from the ferruginous clay of the Middle
Devonian, near Louisville. Collection of the author.
FAVOSITES RADIATUS. Devonian.
2. Upper surface of a corallum from the Lower Devonian strata, Falls of the
Ohio. Collection of the author.
FAVOSITES EMMONSI. Devonian.
3. Lateral view of a corallum from the Lower Devonian, Falls of the Ohio.
Collection of the author.
4. Upper surface of a corallum from the same horizon and locality.
Collection of the author.
PLATE 13.
FAVOSITES RADIATUS. Devonian.
Upper surface of a portion of a corallum, showing difference in size of
the corallets; from the Lower Devonian, Falls of the Ohio. Collection of Mr.
Gaines.
PLATE 14.
FAVOSITES PIRUM, Nov. Spec. Devonian.
1. Lateral view of a corallum from the Middle Devonian, Falls of the Ohio.
Collection of the author.
2. Lateral view (prostrate) of a bacillate form from the same locality.
Collection of the author.
FAVOSITES PLACENTA. Devonian.
3. Portion of a corallum from the dark red clay, derived from the encrinal
limestone of the Upper Devonian, near Louisville. Col-lection of the author.
FAVOSITES ROTUNDITUBA, Nov. Spec. Devonian.
4. Tipper surface of a corallum from the dark red clay of the Upper
Devonian, underlying the shale beds, near Louisville. Collection of the
author.
FAVOSITES MUNDUS, varietas PLACENTOIDEUS, Nov. Var. Devonian.
5. Upper surface of a corallum from the Lower Devonian, Falls of the Ohio.
Collection of the author.
PLATE 15.
FAVOSITES PIRUM, Nov. Spec. Devonian.
1. Lateral view of a corallum from the blue clay of the Middle Devonian,
Falls of the Ohio. Collection of the author.
2. Lateral view of a corallum from the same locality, showing a portion of
the epithecated under surface and some of the corallets in longitudinal
section. Collection of the author.
3. View of the epithecated under surface of a corallum; also showing the
squamous walls of the corallets; from the ferruginous red clay of the Middle
Devonian, near Louisville. Collection of the author.
FAVOSITES PROXIMUS, Nov. Spec. Devonian.
4. Lateral view (inverted) of a corallum from the Lower Devonian, Falls of
the Ohio. Collection of the author.
5. Lateral view of a flexuous form from the same locality. Collection of the
author.
6. Lateral view of a sub-ramous corallum from the same locality. Col-lection
of the author.
FAVOSITES SPICULATUS, Nov. Spec. Devonian.
7. Upper surface of a corallum from the Lower Devonian, Falls of the Ohio.
Collection of the author.
PLATE 16.
FAVOSITES TUBEROSUS. Devonian.
1. Lateral view (prostrate) of a corallum of typical shape from the Lower
Devonian, Falls of the Ohio. Collection of the author.
2. Similar view of a corallum from the same locality and horizon, show-ing
opercula closing the orifices of some of the corallets. Collection of Mr.
Gaines.
3. Lateral view of upper portion of a specimen from the ferruginous clay of
the Lower Devonian, near Louisville. Collection of the author.
FAVOSITES OCELLATUS, Nov. Spec. Devonian.
4. Lateral view (prostrate) of a corallum from the upper strata of the Lower
Devonian, near Louisville. Collection of the author.
PLATE 17.
FAVOSITES AMPLISSIMUS, Nov. Spec. Devonian.
1. Upper surface of a corallum from the ferruginous clay of the Lower
Devonian, near Louisville. Collection of Mr. Nettelroth.
2. View of a portion of the under surface of a corallum from the Lower
Devonian, Falls of the Ohio. Collection of the author.
3. Upper surface of a corallum from the Lower Devonian, Falls of the Ohio.
Collection of the author.
PLATE 18.
FAVOSITES QUERCUS, Nov. Spec. Devonian.
Lateral view of a corallum from the Lower Devonian strata, Falls of the
Ohio. Collection of the author.
PLATE 19.
FAVOSITES QUERCUS, Nov. Spec. Devonian.
1. Lateral view of a corallum of medium size from the Lower Devonian, Falls
of the Ohio. Collection of the author.
FAVOSITES RAMULOSUS, Nov. Spec. Devonian.
2. Views of two fronds from the upper portion of coralla from the Lower
Devonian, Falls of the Ohio. Collection of the author.
FAVOSITES TUBEROSUS. Devonian.
3. Lateral view of a corallum of bacillate shape from the upper strata of
the Lower Devonian, Falls of the Ohio. Collection of Mr. Nettelroth.
PLATE 20.
FAVOSITES RADICIFORMIS. Devonian.
1. Lateral view of a corallum, whose older corallets have their tubes closed
by opercula; from the Lower Devonian, Falls of the Ohio. Collection of the
author.
2. Lateral view (prostrate) of a corallum, split at the upper end so as to
show a longitudinal section of the corallets; from the same horizon and
locality. Collection of the author.
3. Lateral view of a jejune frond; corallets extraordinarily small; horizon
two feet above that of examples 1 and 2; Falls of the Ohio. Collection of
the author.
