. Annals of the Lyceum of Natural History of New York. Natural history; Natural history -- New York (State); Science; Science -- New York (State). 232 Note* on Lingual Dentition of MdUwca. but it was preserved in the same bottle as Ancylus Newberryi, I' ipholp '- Fluininicola NaOuUiana^ and other species of !' «st. I' Lingual dentition "I Sucoinea Nut$alliana. Lea. Lingual membrane broad. Teeth , in almost straight transverse rows. Centrals Bhort, stout, obtusely tricuspid, the central cusp with a long acute point, attached to a quadrate plate, pperedge of which has a ceDtra
. Annals of the Lyceum of Natural History of New York. Natural history; Natural history -- New York (State); Science; Science -- New York (State). 232 Note* on Lingual Dentition of MdUwca. but it was preserved in the same bottle as Ancylus Newberryi, I' ipholp '- Fluininicola NaOuUiana^ and other species of !' «st. I' Lingual dentition "I Sucoinea Nut$alliana. Lea. Lingual membrane broad. Teeth , in almost straight transverse rows. Centrals Bhort, stout, obtusely tricuspid, the central cusp with a long acute point, attached to a quadrate plate, pperedge of which has a ceDtral quadrangular spot of thinner texture, easily mistaken for a complete cutting away of a portion of the plate. Laterals on somewhat oblong plates which bear on their outer upper corner a small quadrangular expansion, stoutly and obtusely bicuspid, the larger cusp surmounted by a long acute poinl; base rounded. [Jncini on plates with rounded bases and attenuated and serrated apices, irregularly denticulated. r. l, a shows two centrals and two laterals, with a third • ;il detached; A and c show uncini from the left of the median line; d the eighth lateral, partly in profile. Tin- jaw of Succinea Nuttalliana has a perfectly smooth an- terior surface. ItiilBimilii* pallidior, Sowerby. Lingual membrane broad, with numerous nearly Btraighl trims- i' t -rill. Centrals with one long hluut. 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 Lyceum of Natural History (New York, N. Y. ). New York
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