The Ventriculidae of the Chalk: Their Microscopic Structure, Affinities And Classification
The Ventriculidae of the Chalk: Their Microscopic Structure, Affinities And Classification
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In our eReader you can find the full English version of the book. Read The Ventriculidae of the Chalk: Their Microscopic Structure, Affinities And Classification Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Ventriculidae of the Chalk: Their Microscopic Structure, Affinities And Classification
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In the present species it takes place on the inside, and is more marked in its character and degree ; but it is none the less an illustration of the principle of Upity which it has been endeavoured to ex- plain, being clearly but a modi- fication of the simple plait.
This will be imderstood from the following figure, in which by by b are the lower plaits; c, c, c, the upper plaits j and a, a, «, the points of anastomosis. We shall, in the next species, find the complexity of the fold much incre...ased.
The wall of this species is thicker than that of any other spe- cies of the genus Ventriculites.
3. Ventriculites decurrens. PL XIII. fig. 8.
Plaits often irregular in direction : outer plaits constricted at distant and unequal intervals : inner plaits depressed at short and nearly equal intervals ; bulging on each side around de- pressions till adjoining plaits meet and open into each other : processes conspicuous : wall of moderate thickness.
Var. tenuiplicatus. PI. XIII. fig. 9.
Plaits close and delicate : outer plaits nearly regular in direction 67 from base to margin with slight occasional constrictions : inner plaits depressed at regular intervals ; bulging on each side around depressions till adjoining plaits meet and open into each other : processes conspicuous : pouch very often nearly cylindrical : wall thin.
What to read after The Ventriculidae of the Chalk: Their Microscopic Structure, Affinities And Classification?
You can find similar books in the "Read Also" column, or choose other free books by Smith, Joshua Toulmin, 1816-1869 to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
In the present species it takes place on the inside, and is more marked in its character and degree ; but it is none the less an illustration of the principle of Upity which it has been endeavoured to ex- plain, being clearly but a modi- fication of the simple plait.
This will be imderstood from the following figure, in which by by b are the lower plaits; c, c, c, the upper plaits j and a, a, «, the points of anastomosis. We shall, in the next species, find the complexity of the fold much incre...ased.
The wall of this species is thicker than that of any other spe- cies of the genus Ventriculites.
3. Ventriculites decurrens. PL XIII. fig. 8.
Plaits often irregular in direction : outer plaits constricted at distant and unequal intervals : inner plaits depressed at short and nearly equal intervals ; bulging on each side around de- pressions till adjoining plaits meet and open into each other : processes conspicuous : wall of moderate thickness.
Var. tenuiplicatus. PI. XIII. fig. 9.
Plaits close and delicate : outer plaits nearly regular in direction 67 from base to margin with slight occasional constrictions : inner plaits depressed at regular intervals ; bulging on each side around depressions till adjoining plaits meet and open into each other : processes conspicuous : pouch very often nearly cylindrical : wall thin.
What to read after The Ventriculidae of the Chalk: Their Microscopic Structure, Affinities And Classification?
You can find similar books in the "Read Also" column, or choose other free books by Smith, Joshua Toulmin, 1816-1869 to read onlineMoreLess
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