Transactions of the Academy of Science of Saint LouisAcademy of Science of St. Louis, 1856 - Science "Celebration of the fiftieth anniversary of the first meeting," in v. 16 |
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Page 82
... shell are always most conspicuous . Some- times the ribs are nearly obsolete . AVICULOPECTEN CAROLI Win . Pl . III . f . 4 . Shell subcircular , the height and length each 25 mm . , nearly equilateral , the greatest convexity 6 mm . at ...
... shell are always most conspicuous . Some- times the ribs are nearly obsolete . AVICULOPECTEN CAROLI Win . Pl . III . f . 4 . Shell subcircular , the height and length each 25 mm . , nearly equilateral , the greatest convexity 6 mm . at ...
Page 86
... shell , while the same measurement in the smallest shell is scarcely 10 mm . The specimens illustrated are intermediate in size . There is also some variation in the width of the body of the shell , and also in the posterior extension ...
... shell , while the same measurement in the smallest shell is scarcely 10 mm . The specimens illustrated are intermediate in size . There is also some variation in the width of the body of the shell , and also in the posterior extension ...
Page 106
... Shell small , conical , consisting of six or seven gradually enlarging whorls , somewhat flattened on the base and ... shell , surface of cast quite smooth . Height of shell , 14 mm .; height of last whorl , 6 mm .; diameter of base of ...
... Shell small , conical , consisting of six or seven gradually enlarging whorls , somewhat flattened on the base and ... shell , surface of cast quite smooth . Height of shell , 14 mm .; height of last whorl , 6 mm .; diameter of base of ...
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Common terms and phrases
Académie des Sciences Academy of Science active membership Agaricocrinus angle aperture APPERTAINING TO HUMAN ball discharge Batocrinus beak brachial valve branches Burlington canaliculus Carboniferous Carlinville caruncle caudex Chonetes Chonopectus sandstone Chouteau Coll concave conjunctiva convex crown curve density developed Devonian diameter Dolatocrinus dorsal Edmondia excretory duct exposure fauna fossils gaseous genus Geological Gesellschaft GLANDS APPERTAINING glandular heat hinge-line HUMAN EYE illustrated Keokuk Kinderhook lacrymal sac length light limestone lines of growth lobules Louis lower eyelid mass Meibomian glands Michigan collection Missouri nearly nebula negative Nipher oblique outer palpebral pedicle pedicle valve plants plate Platycrinus posterior margin Prairie present pressure radiating radius Remarks rhizomes root rounded sebaceous glands shell side slope Société Society solar solar nebula species stars stems striae Surface marked tap-root temperature tion tissue track transverse type specimen umbonal ridge upper eyelid ventral margin Verein vertical volutions