Bulletin - United States National Museum - Smithsonian Institution
Bulletin - United States National Museum - Smithsonian Institution
Bulletin - United States National Museum - Smithsonian Institution
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EXPLANATION OF PLATES.<br />
Plate 1.<br />
Memhraniporina hertjamini, new species (page 11).<br />
Fig. 1. Surface of tlie incrusting zoaiium X 20, showing the elliptical zooecia<br />
and the incomplete small canal.<br />
Upper Jacksonian, Rich Hill, Crawford County, Georgia.<br />
Cat. No. 62569, U. S. N. M.<br />
Adenifcra inarmata, new species (page 12).<br />
2. The usual aspect of the zooecia, X 20.<br />
Middle Jacksonian near Lenuds Ferry, South Carolina.<br />
Cat. No. 62570, U. S. N. M.<br />
Otionella perforata, new species (page 13).<br />
3. Poi-tion of the upper surface of an incomplete discoidal zoarium, X 20.<br />
4. The inner side of a fragment, X 20.<br />
Claiborniau, Claiborne, Alabama.<br />
Cat. No. 62571, U. S. N. M.<br />
TihraccUhia capillaria, new si^ecies (page 14).<br />
5. The type-specimen, X 20,<br />
Claiborniau, Moseley's Ferry, Caldwell County, Texas.<br />
Cat. No. 62572, U. S. N. M.<br />
Hincksina jacksoiiira. new species (page 15).<br />
6. Surface of the bilamellar zoarium, X 20; with interzooecial avicularia<br />
little developed.<br />
Middle Jacksonian. Rich Hill, Crawford County, Georgia.<br />
Cat. No. 62573, U. S. N. M.<br />
ninclcftina uicfjaikiihiria, new species (page 16).<br />
7. Portion of a zoarium, X 20, illustrating especially the coalescing of<br />
opposite spines and the occurrence of large avicularia.<br />
Middle Jacksonian, Wilmington, North Carolina.<br />
Cat. No. 62574, U. S. N. M.<br />
I'LATE 2.<br />
Offiralina eximipora, new species (page 17).<br />
Fig. 1, Portion of a zoarim, X 20, showing several ovicelled zooecia.<br />
Middle Jacksonian, Rich Hill, Crawford County, Georgia.<br />
Cat. No. 62575, U. S. N. M.<br />
Memhrendoccium pyri forme, new species (page 17).<br />
2. Surface of a specimen. X 20, exhibiting the characteristic pyriform<br />
opesium.<br />
Lower Jacksonian, Jackson. Mississippi.<br />
Cat. No. 62576, U. S. N. M.<br />
Periporosella taut ilia, new species (page 19).<br />
3. Exterior of a zoarium, with ovicells, X 20.<br />
4. An example with the surface abraded to show the dietellae, X 20.<br />
Middle Jacksonian, Wilmington, North Carolina.<br />
Cat. No. 62577, U. S. N. M.<br />
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