A Monograph Of The Fossil Echinoidea Of Western Sind The Coast Of Bil Ch St N From The Tertiary Formations
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A Monograph Of The Fossil Echinoidea Of Western Sind The Coast Of Bil Ch St N From The Tertiary Formations
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Author : Peter Martin Duncan
language : en
Publisher:
Release Date : 1882
A Monograph Of The Fossil Echinoidea Of Western Sind The Coast Of Bil Ch St N From The Tertiary Formations written by Peter Martin Duncan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1882 with categories.
A Monograph Of The Fossil Echinoidea Of Western Sind And The Coast Of Bil Ch St N From The Tertiary Formations
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Author : Peter Martin Duncan
language : en
Publisher: Rarebooksclub.com
Release Date : 2013-09
A Monograph Of The Fossil Echinoidea Of Western Sind And The Coast Of Bil Ch St N From The Tertiary Formations written by Peter Martin Duncan and has been published by Rarebooksclub.com this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-09 with categories.
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1882 edition. Excerpt: ...of the posterior margin, part being above and part below the rounded angle formed at the junction of the vertical posterior end and the actinal surface. The space enclosed is large and sub reniform in outline, and the upper part of the fasciole dips down with a rather deep Three pairs of pores reentering curve, pointing downwards, in the median line. belonging to the posterior zone of the posterior petals are included within the fasciole, and mark its lateral boundaries. The presence of a peripetalous fasciole is very doubtful. In none of the specimens is the delicate ornamentation of the test within the region of the petals sufficiently well preserved to enable this point to be settled. In one of the specimens which has some portions fairly well preserved an arrangement of granulation may be observed at the extremity of the antero-lateral petal, and extending for a short distance close along the posterior margin of the groove, which is rather suggestive of a fasciole. There is also a slight tumidity on one of the plates about midway on the anterior margin of the posterior petal, which might possibly indicate the line of direction taken by the supposed fasciole in crossing the postero-lateral interradium; but no actual band is discernible. The strip of granulation above referred to is, however, somewhat ill-defined, and wanting in compactness--a fact which, together with the inability of finding any trace of the fasciolestructure elsewhere, leads us to entertain very great doubts as to the presence of a second fasciole in the Spatangoid under notice. Remarks. This very interesting form is readily distinguishable either from its congeners or any species with which we are acquainted. At first sight it strongly suggests the outline of...
Fossil Echinoidea Of Western Sind And The Coast Of Bil Ch St N And Of The Persian Gulf From The Tertiary Formations
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Author : Walter Percy Sladen
language : en
Publisher:
Release Date : 1886
Fossil Echinoidea Of Western Sind And The Coast Of Bil Ch St N And Of The Persian Gulf From The Tertiary Formations written by Walter Percy Sladen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1886 with categories.
Fossil Echinoidea Of Western Sind And The Coast Of Bil Ch St N And Of The Persian Gulf From The Tertiary Formations
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Author :
language : en
Publisher:
Release Date : 1884
Fossil Echinoidea Of Western Sind And The Coast Of Bil Ch St N And Of The Persian Gulf From The Tertiary Formations written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1884 with categories.
Fossil Echinoidea Of Western Sind And The Coast Of Bil Chist N And Of The Persian Gulf From The Tertiary Formations
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Author : P. Martin Duncan
language : en
Publisher:
Release Date : 1886
Fossil Echinoidea Of Western Sind And The Coast Of Bil Chist N And Of The Persian Gulf From The Tertiary Formations written by P. Martin Duncan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1886 with categories.
Fossil Echinoidea Of Western Sind And The Coast Of Bil Ch St N And The Persian Gulf From The Tertiary Formations
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Author : Peter Martin Duncan
language : en
Publisher:
Release Date : 1882
Fossil Echinoidea Of Western Sind And The Coast Of Bil Ch St N And The Persian Gulf From The Tertiary Formations written by Peter Martin Duncan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1882 with categories.
Monograph On The British Fossil Echinodermata From The Cretaceous Formations
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Author : Thomas Wright
language : en
Publisher: Cambridge University Press
Release Date : 2015-04-30
Monograph On The British Fossil Echinodermata From The Cretaceous Formations written by Thomas Wright and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-04-30 with Nature categories.
Published in ten parts between 1864 and 1882, this illustrated monograph covers the echinoids (sea urchins) of the British Cretaceous.
A Monograph Of The Tertiary Echinoidea Of Kachh And Kattywar
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Author : Peter Martin Duncan
language : en
Publisher:
Release Date : 1883
A Monograph Of The Tertiary Echinoidea Of Kachh And Kattywar written by Peter Martin Duncan and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1883 with categories.
A Monograph Of The Echinoidea
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Author : Theodor Mortensen
language : en
Publisher:
Release Date : 1928
A Monograph Of The Echinoidea written by Theodor Mortensen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1928 with categories.
Monograph On The British Fossil Echinodermata From The Cretaceous Formations
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Author : Thomas Wright
language : en
Publisher:
Release Date : 1882
Monograph On The British Fossil Echinodermata From The Cretaceous Formations written by Thomas Wright and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1882 with categories.