Books Should Be Free is now
Loyal Books
Free Public Domain Audiobooks & eBook Downloads
Search by: Title, Author or Keyword

Freshwater Sponges, Hydroids & Polyzoa   By:

Book cover

First Page:

The Fauna of British India, Including Ceylon and Burma.

Published Under the Authority of the Secretary of State for India in Council.

Edited by A. E. Shipley, M.A., Sc.D., HON. D.Sc., F.R.S.

FRESHWATER SPONGES, HYDROIDS & POLYZOA.

by

N. ANNANDALE, D.SC.,

Superintendent and Trustee ( Ex Officio ) of the Indian Museum, Fellow of the Asiatic Society of Bengal and of the Calcutta University.

London: Taylor and Francis, Red Lion Court, Fleet Street.

Calcutta: Thacker, Spink, & Co.

Bombay: Thacker & Co., Limited.

Berlin: R. Friedländer & Sohn, 11 Carlstrasse.

August, 1911.

Printed at Today & Tomorrow's Printers & Publishers, Faridabad

CONTENTS.

Page

EDITOR'S PREFACE v

SYSTEMATIC INDEX vii

GENERAL INTRODUCTION 1 Biological Peculiarities 2 Geographical Distribution 5 Geographical List 7 Special Localities 13 Nomenclature and Terminology 17 Material 20

INTRODUCTION TO PART I. ( Spongillidæ ) 27 The Phylum Porifera 27 General Structure 29 Skeleton and Spicules 33 Colour and Odour 35 External Form and Consistency 37 Variation 39 Nutrition 41 Reproduction 41 Development 45 Habitat 47 Animals and Plants commonly associated with Freshwater Sponges 49 Freshwater Sponges in relation to Man 50 Indian Spongillidæ compared with those of other Countries 51 Fossil Spongillidæ 52 Oriental Spongillidæ not yet found in India 52 History of the Study of Freshwater Sponges 54 Literature 55

GLOSSARY OF TECHNICAL TERMS USED IN PART I. 61

SYSTEMATIC LIST OF THE INDIAN SPONGILLIDÆ 63

INTRODUCTION TO PART II. ( Hydrida ) 129 The Phylum Coelenterata and the Class Hydrozoa 129 Structure of Hydra 130 Capture and Ingestion of Prey: Digestion 133 Colour 134 Behaviour 135 Reproduction 136 Development of the Egg 139 Enemies 139 Coelenterates of Brackish Water 139 Freshwater Coelenterates other than Hydra 141 History of the Study of Hydra 142 Bibliography of Hydra 143

GLOSSARY OF TECHNICAL TERMS USED IN PART II. 145

LIST OF THE INDIAN HYDRIDA 146

INTRODUCTION TO PART III. ( Ctenostomata and Phylactolæmata ) 163 Status and Structure of the Polyzoa 163 Capture and Digestion of Food: Elimination of Waste Products 166 Reproduction: Budding 168 Development 170 Movements 172 Distribution of the Freshwater Polyzoa 173 Polyzoa of Brackish Water 174 History of the Study of Freshwater Polyzoa 177 Bibliography of the Freshwater Polyzoa 178

GLOSSARY OF TECHNICAL TERMS USED IN PART III... Continue reading book >>




eBook Downloads
ePUB eBook
• iBooks for iPhone and iPad
• Nook
• Sony Reader
Kindle eBook
• Mobi file format for Kindle
Read eBook
• Load eBook in browser
Text File eBook
• Computers
• Windows
• Mac

Review this book



Popular Genres
More Genres
Languages
Paid Books