. Maryland geological survey . size but are alwaysconsiderably smaller than the true zocecia. Occasionally the front marginof the zocecium is more elevated than the rest of the circumference. Noovicells observed. The specimens from the Talbot formation identified with this Miocenespecies agree in all respects with the original types save that the zoceciaare a trifle more elongate. This difference appears to be of not evenvarietal importance, so that for the present it seems best to refer thesespecimens as above. 212 SYSTEMATIC PALEONTOLOGY Occurrence.—Talbot Formation. Wailes Bluff near Cornfi


. Maryland geological survey . size but are alwaysconsiderably smaller than the true zocecia. Occasionally the front marginof the zocecium is more elevated than the rest of the circumference. Noovicells observed. The specimens from the Talbot formation identified with this Miocenespecies agree in all respects with the original types save that the zoceciaare a trifle more elongate. This difference appears to be of not evenvarietal importance, so that for the present it seems best to refer thesespecimens as above. 212 SYSTEMATIC PALEONTOLOGY Occurrence.—Talbot Formation. Wailes Bluff near Cornfield Har-bor, St. Marys County. Collections.—Maryland Geological Survey. Membranipoea parvula Ulrich and Bassler. Membranipora parvula Ulrich and Bassler, Maryland Geol. Surv., Miocene,1904, p. 410, pi. cxi, figs. 1-2. Description.— In its general zoarial and zocecial characters this species resembles M. germana and M. plebeia Gabb and Horn, but it is readily distinguished by the smaller size and less elongate form of its.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectpaleont, bookyear1901