. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. Impres- FiG. 90. Pholidops oblata. sion of interior of valve in shale, showing double callosity: exterior of exfoliated i . i — ^ n - specimen, showing submarginal beak, and meUS : lengtll, i and mm.; a few lines of growth, Encrinal ILiiie- • -> i ,. r -y n n stone, X 2%. (Original.) Width, and \ miu. BRACHIOPODA ARTICULATA. Genus RHIPIDOMELLA. Oehlert. [Ety. : liipid. a fan; ella, diminutive.] (Ortliis in part.) (1891: Journal de Ccuchyliologie, p. 372. 1892: Pal. N. Y., Vol. YIII., Pt. I., p. 209.)
. Bulletin of the Buffalo Society of Natural Sciences. Natural history; Science. Impres- FiG. 90. Pholidops oblata. sion of interior of valve in shale, showing double callosity: exterior of exfoliated i . i — ^ n - specimen, showing submarginal beak, and meUS : lengtll, i and mm.; a few lines of growth, Encrinal ILiiie- • -> i ,. r -y n n stone, X 2%. (Original.) Width, and \ miu. BRACHIOPODA ARTICULATA. Genus RHIPIDOMELLA. Oehlert. [Ety. : liipid. a fan; ella, diminutive.] (Ortliis in part.) (1891: Journal de Ccuchyliologie, p. 372. 1892: Pal. N. Y., Vol. YIII., Pt. I., p. 209.) Shell almost circular in outline; both valves convex, brach- ial valve more so than the pedicle valve. Hinge area nai-row and short on the brachial valve, higher on the pedicle valve. A slight median depression in each valve. Surface covered with fine, rounded, hollow, tubular strice, which frequently open upon the surface. On the interior of the pedicle valve appear two strong diverging teeth. ^luscular area large, and deeply impressed, consisting of the large fluted diductor impressions, enclosing the small central adductors. The pedi- cle scar fills the cavity of the beak. Outside of the muscular area are commonly deeply-pitted ovarian markings. The' interior of the brachial valve shows deep and narrow dental sockets, with prominent projecting crural plates. In the center is a strong cardinal process, below which is the indis- tinct small muscular area. Rhipidomella vanuxemi. Hall. (Fig. *)1.) ( Pal. N. Y., Vol. IV., p. 47, PI. yi.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Buffalo Society of Natural Sciences. Buffalo, N. Y. : Buffalo Society of Natural Sciences
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