British Encyclopedia: Or, Dictionary of Arts and Sciences, Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volume 11Mitchell, Ames, and White, 1821 - Natural history |
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... UNIVALVE SHELLS . Patella . A conical univalve shell , with- out a spire . Linnæus had divided these shells into five sections ; the labiated , the dentated , the mucronated , the en- tire , and the perforated . Lamarck has divided this ...
... UNIVALVE SHELLS . Patella . A conical univalve shell , with- out a spire . Linnæus had divided these shells into five sections ; the labiated , the dentated , the mucronated , the en- tire , and the perforated . Lamarck has divided this ...
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... univalve shell , very thin ; its form a cone flattened on its sides ; its summit rolled spirally and very small ; the back covered with a dentated keel ; the opening entire , oval , oblong , and con- tracted towards the angle of the ...
... univalve shell , very thin ; its form a cone flattened on its sides ; its summit rolled spirally and very small ; the back covered with a dentated keel ; the opening entire , oval , oblong , and con- tracted towards the angle of the ...
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... univalve shell . The shells of this genus differ in their forms ; their openings are nearly round , and their sides connected circularly . The shell is formed of seven spires , separated by a void space ; with ten or twelve longitu ...
... univalve shell . The shells of this genus differ in their forms ; their openings are nearly round , and their sides connected circularly . The shell is formed of seven spires , separated by a void space ; with ten or twelve longitu ...
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... univalve shell , generally foliated , plaited , spinous , or tuberculated ; the opening always prolonged into a canal , running straight , or turning directly backwards , and al- ways entire . In the earlier stages of their growth it is ...
... univalve shell , generally foliated , plaited , spinous , or tuberculated ; the opening always prolonged into a canal , running straight , or turning directly backwards , and al- ways entire . In the earlier stages of their growth it is ...
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... univalve shell , the edges turned inwards : the opening long and narrow , and toothed on each side . The shells of this genus are so distinctly characterized , as to have escaped that confusion which has taken place in many other genera ...
... univalve shell , the edges turned inwards : the opening long and narrow , and toothed on each side . The shells of this genus are so distinctly characterized , as to have escaped that confusion which has taken place in many other genera ...
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Common terms and phrases
abaft aft side aft-side animal appear birds bivalve body plan bone botany called calyx cavity centre circle class and order colour columella common consists corolla crystals curve deck diameter distance divided draw drawn drupe earth edge equal Essential character feet 6 inches fore side genus half breadth plan heat height hence hinge inches Jussieu keel kind Lamarck latter length Linnæus lower means ment middle line Monogynia class motion multivalve native Natural order nearly neral observed opening pain parallel perpendicular person piece plants Plate pounds produced quantity racter round salt seeds sensation sheer plan shell ship silica silk silver sometimes sophism species specific gravity square stars stone substance sulphuric acid surd surface teeth thick timber tion transom Triandria ture univalve upper side urethra valves vessel wound
Popular passages
Page 1 - I scarce could turn to fall upon the ground, with my head to the northward, when I felt the heat of its current plainly upon my face. We all lay flat on the ground, as if dead, till Idris told us it was blown over. The meteor, or purple haze, which I saw, was indeed passed, but the light air that still blew was of heat to threaten suffocation.
Page 5 - Of the nature of those changes which take place in the Digestion of Food. Of the Chemical Principles of the process of Tanning Leather; and of the objects that must particularly be had in view in attempts to improve that most useful art. Of the Chemical Principles of the art of making Soap ; of the art of Bleaching; of the art of Dyeing; and in general of all the Mechanical Arts, as they apply to the various branches of manufacture.
Page 25 - Hence too it follows, that the infamous and unchristian practice of withholding baptism from negro servants, lest they should thereby gain their liberty, is totally without foundation, as well as without excuse. The l«w of England acts upon general and extensive principles : it gives liberty, rightly understood, that is, protection, to a Jew, a Turk, or a Heathen...
Page 11 - It is very probable that the great stratum called the milky way, is that in which the sun is placed, though perhaps not in the very centre of its thickness.
Page 3 - The distance between two points on the surface of a sphere is the length of the minor arc of a great circle between them.
Page 19 - To this head may also be referred the practice of what is called a set-off: whereby the defendant acknowledges the justice of the plaintiff's demand on the one hand, but on the other sets up a demand of his own, to counterbalance that of the plaintiff, either in the whole or in part...