Suchergebnisse

Intro -- Contents -- About the Book -- Bibliography -- Part I: A Background -- Chapter 1: What Is a Mollusc? -- Bibliography -- Chapter 2: What Is a Snail? -- 2.1 Defence: Shell and Operculum -- 2.2 Attachment and Locomotion -- 2.3 Respiration -- 2.4 Feeding -- 2.5 Reproduction and Embryonic Development -- 2.6 Metamorphosis to Adult Form -- 2.7 General Classification -- Bibliography -- Part II: Primitive Sea Snails -- Chapter 3: Patellogastropoda: Limpets -- 3.1 Holding on, Moving About and Resisting Desiccation -- 3.2 Respiration -- 3.3 Feeding -- 3.4 Reproduction -- 3.5 Predation and Competition -- 3.6 Evolutionary Aspects and Classification -- Bibliography -- Chapter 4: Vetigastropda: Brush Snails -- 4.1 Functional Morphology in Evolutionary Perspective -- 4.2 Fissurelloidea: Keyhole Limpets, Slit Limpets and Relatives -- 4.3 Lepetodriloidea and Neomphaloidea: Deep-Sea Brush-Snails -- 4.4 Pleurotomarioidea: Slit-Whorls -- 4.5 Haliotoidea: Abalones -- 4.6 Trochoidea: Top Shells, Turbans and Allies -- Bibliography -- Chapter 5: Neritimorpha: Nerites -- 5.1 Sea-Dwelling Nerites -- 5.2 Out of the Sea -- Bibliography -- Part III: Advanced Sea Snails -- Chapter 6: Functional Morphology: An Evolutionary Perspective -- 6.1 Reproductive System -- 6.2 Embryonic Development -- 6.3 Shell Structure -- 6.4 Feeding -- 6.5 Breathing -- 6.6 Classification -- Bibliography -- Chapter 7: Grazers and Filter Feeders -- 7.1 Cerithioidea: Creepers, Ceriths and Cracked-Pipes -- 7.2 Vermetoidea: Worm Snails -- 7.3 Stromboidea: Pelican's-Foots, Conchs and Relatives -- 7.4 Calyptraeoidea: Cup-and-Saucers, Bonnets and Slippers -- 7.5 Gill Filter Feeding: General Comments -- 7.6 Littorinoidea: Winkles, Periwinkles and Their Allies -- 7.6.1 Feeding -- 7.6.2 Reproduction -- 7.7 Cypraeoidea: Cowries, False-Cowries, Smallips and Relatives -- 7.7.1 Mantle Flaps.

Conversion is at work in prayer, promise, psychoanalysis and poetry. This paper begins by turning around Jacques Derrida's discussion of the importance of 'anasemic conversion' (linguistic traces not yet or no longer endowed with meaning) in the work of Nicolas Abraham and turns into a reading of the aneconomic effects of the silvery trail deposited by the eponymous snails in Francis Ponge's prose poem 'Escargots' (Snails). Anasemic conversion wrests language from meaning and returns it to its material, non-mattering, primal matter. Made of slimy spit, the snail's trail is not a product per se, but rather a by-product, an excessive residue, perhaps even a waste product. This silvery wake is a poetic amalgam of all elements pertaining to the snail's vital activities (expression, secretion, affection, excretion) and converts snails' life experiences into a photographic figure of writing, a critique of an anthropocentric aesthetic, and a poetic death sentence.

From a Boston College law professor, we hear the extraordinary story of one small fish and a huge environmental-legal battle. 30 years ago lawyers, activists and local citizens managed to halt construction of a federal dam project in Tennessee. They used the brand new Endangered Species Act to make the case that the dam would destroy the habitat of a tiny, three-inch fish, the Snail Darter. Their case went all the way to the Supreme Court — and they won. But their victory didn't last. Many cast it as environmentalism run amok, leftist extremism that values a tiny fish over jobs, development and progress. Congress took notice and passed a law that allowed the dam project to go forward. Zygmunt Plater was the lawyer, who along with his students, fought and won the Supreme Court case. Today, he's a professor of law and director of the Land & Environmental Law Program at Boston College. And his new book, The Snail Darter and The Dam, tells the story of how pork barrel politics killed a river.

Snail farming is a type of sustainable animal production, which could become an important source of incomes for the country, and prevent further exhaustion of natural snail populations. It has raised considerable public attention in Serbia. There are over 350 newly registered snail farms that have started production in the past couple of years. The idea of snail farming in Serbia is strongly and erroneously influenced by media, often presented as an low investment cycle, low manpower, and a very advantageous side activity. On the other hand export of snails collected from natural populations has been very profitable in the past decade despite the economic blockade of the country during the 90s. In this paper, beginnings of snail farming in Serbia, problems of investments, production and protection technology, and marketing are discussed. The need of regulation is pointed out.

Snail farming is a type of sustainable animal production, which could become an important source of incomes for the country, and prevent further exhaustion of natural snail populations. It has raised considerable public attention in Serbia. There are over 350 newly registered snail farms that have started production in the past couple of years. The idea of snail farming in Serbia is strongly and erroneously influenced by media, often presented as an low investment cycle, low manpower, and a very advantageous side activity. On the other hand export of snails collected from natural populations has been very profitable in the past decade despite the economic blockade of the country during the 90s. In this paper, beginnings of snail farming in Serbia, problems of investments, production and protection technology, and marketing are discussed. The need of regulation is pointed out.