 | Academy of Natural Sciences of Philadelphia - 1821 - 496 páginas
...volutions about seven, slightly wrinkled ; spire to* wards the apex much eroded, whitish ; body with a Urge obtuse groove, which is obsolete upon the whirls of...slightly undulated by the groove, and with a distinct sinus at the base of the columella. Inhabits Ohio River. Length one inch and one tenth. Breadth 3-5... | |
 | Academy of Natural Sciences of Philadelphia - 1821 - 490 páginas
...spire, in consequence of the revolution of the suture on its inferior margin; this arrangement per mils the superior margin of the groove, only, to be seen...slightly undulated by the groove, and with a distinct sinus at the base of the columella. Inhabits Ohio River. Length one inch and one tenth. Breadth 3-5... | |
 | Academy of Natural Sciences of Philadelphia - 1821 - 494 páginas
...obsolete upon the whirls of the spire, in consequence of the revolution of the suture on its interior margin ; this arrangement permits the superior margin...with one or two obsolete revolving sanguineous lines; labntm slightly undulated by the groove, and with a distinct sinus at the base of the columella. Inhabits... | |
 | George Washington Tryon - 1873 - 504 páginas
...the npcx much eroded, whitish; body, with a large obtuse groove, which Is obsolete upon the whorls of the spire in consequence of the revolution of the...obtuse carin.a on each of the volutions; aperture bluish- white within with one or two obsolete revolving sanguineous lines; labrum slightly undulated... | |
 | 1880 - 988 páginas
...the apex much eroded, whitish; body, with a large obtuse groove, which is obsolete upon the whorls of the spire in consequence of the revolution of the...slightly undulated by the groove and with a distinct sinus at the base of the columella. Habitat.— Ohio River. Breadth, three-fifths of an inch; length,... | |
 | 1880 - 986 páginas
...groove, which is obsolete upon the whorls of the spire ii> consequence of the revolution of the suture ou its inferior margin ; this arrangement permits the...slightly undulated by the groove and with a distinct sinus at the base of the columella. Habitat.— Ohio River. Breadth, three-fifths of an inch; length,... | |
 | 1880 - 986 páginas
...the apex much eroded, whitish; body, with a large obtuse groove, which is obsolete upon the whorls of the spire in consequence of the revolution of the...an obtuse carina on each of the volutions; aperture bluish- white within with one or two obsolete revolving sanguineous lines ; lab rum slightly undulated... | |
 | Indiana. Department of Geology and Natural Resources - 1900 - 1286 páginas
...apex very much eroded, whitish; body with a large obtuse groove, which is obsolete upon the whorls of the spire in consequence of the revolution of the...an obtuse carina on each of the volutions; aperture bluish white within, with one or two obsolete sanguineous lines; labrum slightly undulated by the groove... | |
 | Indiana. Geological Survey - 1900 - 1288 páginas
...apex very much eroded, whitish; body with a large obtuse groove, which is obsolete upon the whorls of the spire in consequence of the revolution of the...an obtuse carina on each of the volutions; aperture bluish white within, with one or two obsolete sanguineous lines; labrum slightly undulated by the groove... | |
 | Indiana. Department of Geology and Natural Resources - 1900 - 1290 páginas
...apex very much eroded, whitish; body with a large obtuse groove, which is obsolete upon the whorls of the spire in consequence of the revolution of the...an obtuse carina on each of the volutions; aperture bluish white within, with one or two obsolete sanguineous lines; labrum slightly undulated by the groove... | |
| |
Shell tapering, horn-color; volutions about seven, slightly wrinkled; spire towards the apex very much eroded, whitish; body with a large obtuse groove, which is obsolete upon the whorls of the spire in consequence of the revolution of the suture on its... 