Shells: Guide to the Jewels of the Sea
Autor Giorgio Gabbien Limba Engleză Hardback – 29 feb 2000
With their exotic shapes and radiant colors, shells are among the most captivating of all nature's creations and have been highly valued by man since prehistoric times. Some cultures, recognizing their durability, used shells for trading; many, admiring their exquisite beauty, have featured them in their art and jewelry. This visually stunning book explores the remarkable variety of shells and offers an extensive guide to the world in which they thrive.
Mollusks, the animals without backbones for which shells serve as protection and shelter, are second only to insects as the most widespread creatures on earth. These adaptable animals are vividly captured by underwater photography in their natural habitats, from the coral theater of the warm seas to the richly vegetated underwater meadows. The illustrations reveal the shells just as divers would encounter them. Using full-color diagrams and charts, Shells explains the complex anatomies of various mollusks as well as the intricate construction of their shells.
For shell collectors of all levels, this book is full of practical advice. It explains how to classify, catalog, and preserve shells in collections that are both beautiful to look at and respectful of nature. In a comprehensive guide section, four hundred different types of shells of the world are described and illustrated, ranging from the most numerous to the rarest.
This book, with its up-to-date text and in-depth portrait of the jewels of the sea will be invaluable to naturalists, divers, lovers of marine life, and shell collectors at any level.
Mollusks, the animals without backbones for which shells serve as protection and shelter, are second only to insects as the most widespread creatures on earth. These adaptable animals are vividly captured by underwater photography in their natural habitats, from the coral theater of the warm seas to the richly vegetated underwater meadows. The illustrations reveal the shells just as divers would encounter them. Using full-color diagrams and charts, Shells explains the complex anatomies of various mollusks as well as the intricate construction of their shells.
For shell collectors of all levels, this book is full of practical advice. It explains how to classify, catalog, and preserve shells in collections that are both beautiful to look at and respectful of nature. In a comprehensive guide section, four hundred different types of shells of the world are described and illustrated, ranging from the most numerous to the rarest.
This book, with its up-to-date text and in-depth portrait of the jewels of the sea will be invaluable to naturalists, divers, lovers of marine life, and shell collectors at any level.
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Specificații
ISBN-13: 9780789206312
ISBN-10: 0789206315
Pagini: 172
Dimensiuni: 216 x 292 x 24 mm
Greutate: 1.22 kg
Editura: Abbeville Publishing Group
Colecția Abbeville Press
ISBN-10: 0789206315
Pagini: 172
Dimensiuni: 216 x 292 x 24 mm
Greutate: 1.22 kg
Editura: Abbeville Publishing Group
Colecția Abbeville Press
Cuprins
INTRODUCTION 6
A Resource for Humanity 8
HOW A SHELL IS CREATED
A Family Tree 600 Million Years Old 13
Questions of Kinship 18
THE MOLLUSK: ANATOMY OF A WINNER 28
In the Belly of a Marine Snail 30
FEEDING, REPRODUCTION, DEFENSE: THE VITAL FUNCTIONS
Movement 32
Respiration 36
The Nervous System and Sensory Organs 37
Feeding 40
Reproduction 46
THE MOTHER-OF-PEARL FACTORY 54
WHERE SHELLS ARE FOUND
Geography of Marine Mollusks 66
The Saltwater Realms 74
On Coastal Rocks 78
Descent into the Shadows 84
On and Under the Sand and Mud 88
The Coral Theater 92
Hidden in Underwater Meadows 99
The Mangrove Forests 104
From the High Sea 108
HOW TO COLLECT SHELLS 112
THE SHELLS OF THE SEA 118
INDEX 169
A Resource for Humanity 8
HOW A SHELL IS CREATED
A Family Tree 600 Million Years Old 13
Questions of Kinship 18
THE MOLLUSK: ANATOMY OF A WINNER 28
In the Belly of a Marine Snail 30
FEEDING, REPRODUCTION, DEFENSE: THE VITAL FUNCTIONS
Movement 32
Respiration 36
The Nervous System and Sensory Organs 37
Feeding 40
Reproduction 46
THE MOTHER-OF-PEARL FACTORY 54
WHERE SHELLS ARE FOUND
Geography of Marine Mollusks 66
The Saltwater Realms 74
On Coastal Rocks 78
Descent into the Shadows 84
On and Under the Sand and Mud 88
The Coral Theater 92
Hidden in Underwater Meadows 99
The Mangrove Forests 104
From the High Sea 108
HOW TO COLLECT SHELLS 112
THE SHELLS OF THE SEA 118
INDEX 169
Notă biografică
Journalist Giorgio Gabbi is a passionate and experienced shell collector and member of the Italian Malacological Society. He has written for and been on staff at many magazines including "Genius," the monthly science magazine of which he was editorial director.
Extras
INTRODUCTION
Shells are beautiful, with elegant forms, surprising sculptures, refined designs and captivating colors. Shells remain intact for long periods of time, like precious metals and gems. And in fact, costly pearls are nothing more than a shell covering that the oyster builds around a foreign body that has entered its tissues. When man succeeded in producing that most noble of ceramic products, porcelain, he gave it the name of a shell, the marginella (porcellana in Italian), with its unparalleled glossy, smooth surface. And mother-of-pearl, an iridescent product from the humble abalone of our reefs, can provide an elegant touch to a simple button, and in its more precious forms provides the raw material for refined jewelry work.
Thus, it is no wonder that little shell treasures have been found with the remains of our most distant ancestors. It is yet another indication that the Paleolithic hunters and gatherers we commonly call cavemen had aesthetic tastes quite akin to our own, as we work and play at our computers. Archaeological excavations on sites that date back to classical antiquity have revealed collections of shells that came from thousands of miles away. In ancient Rome, they came from India, along with spices, gems, perfumes, and precious cloths. At the time of the great explorations, the dwellings of the rich and cultured of Europe were filled with spectacular, exotic shells. By that time, shell collecting was no longer just an aesthetic undertaking but an homage to the first conquests of modern science.
Thus, without knowing it, the child who stoops to collect a shell on the seashore is repeating a gesture that human beings have performed since the dawn of the evolution of our species. And why is the eye irresistibly attracted to the form of a shell? Perhaps because, while it is a part of nature, it is different from anything else found in creation. Certainly, a worm or a curled-up caterpillar takes on a spiral form, but the result is banal and arouses no curiosity. The snail’s spiral is something unique, different, and only in modern times has science discovered its secret: it is a logarithmic spiral, a line that runs according to a rigorous mathematical relationship. No wonder it tantalizes the eye and mind.
But many of us do not ask such difficult questions. More simply, shells bring the sea to our homes. They remind us of beautiful sunny days, the salt air, and the enthusiasm we want to relive next year, perhaps on the same beach, or maybe in a completely different place—the tropics or the antipodes. For those who scuba dive, every shell evokes a particular seabed, the thrill of a new panorama discovered while exploring the blue depths. Even a simple bag of detritus, to be explored with a lens on a winter evening to reveal its little hidden treasures, takes us back to a magnificent sheer wall, adorned with sea fans, or to a special grotto, dark as night but full of promise, or above the shining splendor of that coral formation, or into the green twilight of a forest of oarweed.
In this book, shells will be considered as travel companions, guides to exploring the marine environments that their makers, the mollusks, conquered well over 600 million years ago. To us, they will be much more than beautiful objects or alluring memories: they will help us understand and interpret the often enigmatic panoramas of the “sixth continent,” which extends from the coastline where we feel the first sprays of water to the last horizon, where the blue of the sea merges with the sky. We will briefly consider the importance of mollusks and shells to man in both the past and the present, their unwitting role in the evolution of primitive society, and in trade, art, and science. Finally, we’ll have some practical advice on producing a collection of shells that is beautiful to look at, helpful in understanding the sea, and respectful of nature.
Shells are beautiful, with elegant forms, surprising sculptures, refined designs and captivating colors. Shells remain intact for long periods of time, like precious metals and gems. And in fact, costly pearls are nothing more than a shell covering that the oyster builds around a foreign body that has entered its tissues. When man succeeded in producing that most noble of ceramic products, porcelain, he gave it the name of a shell, the marginella (porcellana in Italian), with its unparalleled glossy, smooth surface. And mother-of-pearl, an iridescent product from the humble abalone of our reefs, can provide an elegant touch to a simple button, and in its more precious forms provides the raw material for refined jewelry work.
Thus, it is no wonder that little shell treasures have been found with the remains of our most distant ancestors. It is yet another indication that the Paleolithic hunters and gatherers we commonly call cavemen had aesthetic tastes quite akin to our own, as we work and play at our computers. Archaeological excavations on sites that date back to classical antiquity have revealed collections of shells that came from thousands of miles away. In ancient Rome, they came from India, along with spices, gems, perfumes, and precious cloths. At the time of the great explorations, the dwellings of the rich and cultured of Europe were filled with spectacular, exotic shells. By that time, shell collecting was no longer just an aesthetic undertaking but an homage to the first conquests of modern science.
Thus, without knowing it, the child who stoops to collect a shell on the seashore is repeating a gesture that human beings have performed since the dawn of the evolution of our species. And why is the eye irresistibly attracted to the form of a shell? Perhaps because, while it is a part of nature, it is different from anything else found in creation. Certainly, a worm or a curled-up caterpillar takes on a spiral form, but the result is banal and arouses no curiosity. The snail’s spiral is something unique, different, and only in modern times has science discovered its secret: it is a logarithmic spiral, a line that runs according to a rigorous mathematical relationship. No wonder it tantalizes the eye and mind.
But many of us do not ask such difficult questions. More simply, shells bring the sea to our homes. They remind us of beautiful sunny days, the salt air, and the enthusiasm we want to relive next year, perhaps on the same beach, or maybe in a completely different place—the tropics or the antipodes. For those who scuba dive, every shell evokes a particular seabed, the thrill of a new panorama discovered while exploring the blue depths. Even a simple bag of detritus, to be explored with a lens on a winter evening to reveal its little hidden treasures, takes us back to a magnificent sheer wall, adorned with sea fans, or to a special grotto, dark as night but full of promise, or above the shining splendor of that coral formation, or into the green twilight of a forest of oarweed.
In this book, shells will be considered as travel companions, guides to exploring the marine environments that their makers, the mollusks, conquered well over 600 million years ago. To us, they will be much more than beautiful objects or alluring memories: they will help us understand and interpret the often enigmatic panoramas of the “sixth continent,” which extends from the coastline where we feel the first sprays of water to the last horizon, where the blue of the sea merges with the sky. We will briefly consider the importance of mollusks and shells to man in both the past and the present, their unwitting role in the evolution of primitive society, and in trade, art, and science. Finally, we’ll have some practical advice on producing a collection of shells that is beautiful to look at, helpful in understanding the sea, and respectful of nature.