Download or read book The Mollusca of Georgian Bay written by Albert Duncan Robertson and published by . This book was released on 1915* with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Mollusca of Georgian Bay Classic Reprint written by Albert Duncan Robertson and published by Forgotten Books. This book was released on 2018-02-17 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Mollusca of Georgian Bay L. Emarginata canadensis. Sowb. Very abundant on clean rocky shores, especially of the outer islands. Found also on sand and pebble bottom. Corresponding to its exposed position and in contrast to the other species, L. Palustris, it is thick shelled with shortened spire and is of light coloration. It is a medium-sized species (adult length 20-25mm.) and is usually recognized easily by its light horn colour and malleated surface. The spire is shorter than the aperture, the whorls well rounded, 5-6 and the sutures distinct. The aperture is large and ovate with a somewhat flaring lip and with reddish varical thickenings usually prominent im mediately behind it. A white callus spreads over the body-whorl and covers but does not close the deep slit-like umbilicus. Usually with several whitish or reddish varical thickenings. Identified as this variety by Mr. E. G. Vanatta. As it occurs at Go Home it is quite variable, especially in surface malleation, thickness of the shell, height of the whorls and length of the spire. Thinner shells show more definite malleations. Its food consists of algae. It has been taken from the stomach of the Whitefish, Coregonus clupezformis. (pl. X, Fig. L. (galba) palustris, Muller, abundant in shlallow bays on the bottom or on submerged vegetation, often on mud flats above the water's edge. It prefers moderately high temperatures. It is easily recognized by its narrow elongated form, dark colour and by the aperture which is usually shorter than the spire. Lip somewhat flared. Surface of shell variable, smoother in island pools, usually roughened by coarse lines of growth in muddy bays. Sometimes malleated. Color brown to almost black, darker in pools, often whitish due to erosion. In young, color darker and lip not flared. Distinguishable from L. Emarginata canadensis in the more slender elongated form, narrower and shorter aperture, longer spire, darker color and distinct habitat. It feeds upon the filamentous green algae, diatoms and desmids. Found in the stomachs of Whitefish. (pl. X, Fig. 8) About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This 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.
Download or read book Mollusca of Georgian Bay written by Albert Duncan Robertson and published by . This book was released on 1927 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Mollusca of Georgian Bay written by James Fenimore Cooper and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Mollusca of Georgian Bay Primary Source Edition written by Albert Duncan Robertson and published by Nabu Press. This book was released on 2013-12 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a reproduction of a book published before 1923. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book.
Download or read book Bulletin written by and published by . This book was released on 1915 with total page 390 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin written by National Museum of Canada and published by . This book was released on 1915 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book A Guide to Freshwater Mollusks of the Laurentian Great Lakes with Special Emphasis on the Genus Pisidium written by Gerry L. Mackie and published by . This book was released on 1980 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Museum Bulletin written by and published by . This book was released on 1915 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geological Series written by and published by . This book was released on 1916 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Geological Series written by National Museum of Canada and published by . This book was released on 1916 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Freshwater Sphaeriacean Clams Mollusca Pelecypoda of North America written by John Bayard Burch and published by . This book was released on 1975 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Sessional Papers written by Canada. Parliament and published by . This book was released on 1915 with total page 1062 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Report of the Dominion fishery commission on the fisheries of the province of Ontario, 1893", issued as vol. 26, no. 7, supplement.
Download or read book Ecological Research Series written by and published by . This book was released on 1980 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Collected papers written by Calvin Goodrich and published by . This book was released on 1922 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Publications written by Ontario Fisheries Research Laboratory and published by . This book was released on 1922 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Victoria Memorial Museum Bulletin written by National Museum of Canada and published by . This book was released on 1916 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
