Description:Excerpt from Manual of Conchology, Structural and Systematic, Vol. 20: With Illustrations of the SpeciesAn excellent account of Omeilz'oides acieula has been given by Mr. L. E. Adams, as follows: Methods of Progression - Usually the shell is dragged along the ground after the animal, though more rarely it is lifted to a horizontal position (pl. 1, fig. On two occasions I observed the animal protrude its head under the shell towards the spire and progress in that direction, forc ing the shell along the ground in front of it, apex first, and then lift the Shell over its head at an angle of about 45 degrees, and continue its march in that position (fig. The progression is always by slow jerks, and not a continuous glide. I have not observed the Shell carried in the position of J efirey's figure (british Conchology, Vol. I, pl. 7, fig. Though Nilsson says 'the animal sometimes carries its Shell erect, but generally drags it along depressed.'About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Manual of Conchology, Structural and Systematic, Vol. 20: With Illustrations of the Species (Classic Reprint). To get started finding Manual of Conchology, Structural and Systematic, Vol. 20: With Illustrations of the Species (Classic Reprint), you are right to find our website which has a comprehensive collection of manuals listed. Our library is the biggest of these that have literally hundreds of thousands of different products represented.
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Manual of Conchology, Structural and Systematic, Vol. 20: With Illustrations of the Species (Classic Reprint)
Description: Excerpt from Manual of Conchology, Structural and Systematic, Vol. 20: With Illustrations of the SpeciesAn excellent account of Omeilz'oides acieula has been given by Mr. L. E. Adams, as follows: Methods of Progression - Usually the shell is dragged along the ground after the animal, though more rarely it is lifted to a horizontal position (pl. 1, fig. On two occasions I observed the animal protrude its head under the shell towards the spire and progress in that direction, forc ing the shell along the ground in front of it, apex first, and then lift the Shell over its head at an angle of about 45 degrees, and continue its march in that position (fig. The progression is always by slow jerks, and not a continuous glide. I have not observed the Shell carried in the position of J efirey's figure (british Conchology, Vol. I, pl. 7, fig. Though Nilsson says 'the animal sometimes carries its Shell erect, but generally drags it along depressed.'About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.We have made it easy for you to find a PDF Ebooks without any digging. And by having access to our ebooks online or by storing it on your computer, you have convenient answers with Manual of Conchology, Structural and Systematic, Vol. 20: With Illustrations of the Species (Classic Reprint). To get started finding Manual of Conchology, Structural and Systematic, Vol. 20: With Illustrations of the Species (Classic Reprint), you are right to find our website which has a comprehensive collection of manuals listed. Our library is the biggest of these that have literally hundreds of thousands of different products represented.