. The annals and magazine of natural history : zoology, botany, and geology. Prolecanites Leesoni.—«, lateral view of the type specimen ; b, front viewof the same. Carboniferous Limestone: Glenbane East, Limerick,Ireland. Drawn from an example in the collection of the Ueoloo-icalSurvey of Irelantl, Dublin. About three fifths natural size. subtrapezoidal in cross-section, its width about three fourthsof its height; indented to about two sevenths of its height bythe preceding whorl; periphery somewhat imperfectly defined,very feebly convex, somewhat flattened; umbilical zonenarrow, well defined,
. The annals and magazine of natural history : zoology, botany, and geology. Prolecanites Leesoni.—«, lateral view of the type specimen ; b, front viewof the same. Carboniferous Limestone: Glenbane East, Limerick,Ireland. Drawn from an example in the collection of the Ueoloo-icalSurvey of Irelantl, Dublin. About three fifths natural size. subtrapezoidal in cross-section, its width about three fourthsof its height; indented to about two sevenths of its height bythe preceding whorl; periphery somewhat imperfectly defined,very feebly convex, somewhat flattened; umbilical zonenarrow, well defined, sloping towards the centre of the umbili-cus. Body-chamber apparently occupying nearly the wholeof the last whorl; aj)erture not seen, but (judging by thegrowth-lines) the peristome probably nearly straight on thelateral area, and with a fairly wide and moderately deephyponomic sinus. Chambers (? depth) ; suture-line not nearly smooth, with subregular growth-lines, which 452 Mr. G. C. Crick on some have a nearly radial direction on the lateral area and form
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Keywords: ., bookcentury1800, bookdec, booksubjectnaturalhistory, bookyear1838
