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Lectures on Mollusca; Or, Shell-Fish and Their Allies
Philip P. (Philip Pearsall) Carpenter
No preview available - 2012
Lectures on Mollusca; Or Shell-Fish and Their Allies: Prepared for the ...
Philip P. Carpenter
No preview available - 2018
abound Ammonites animal apex appear arms beaks beautiful bivalves body breathing pipe burrowing byssus canal cartilage cavity Chitons closed Cockles colored conical Cowries crawl Crawlers creatures cretaceous curious cuttles edge Eocene eyes Family flaps flat flattened fold foot fossil found fossil fringed front Gasteropods genera genus gills grooved head Heteropods hinge teeth hole horny irregular keeled known Lamarck lateral teeth layer ligament Limpets living mantle mantle-bend many-whirled mollusks mouth Natica naturalists Nautilus nearly notch Nudibranchs numerous oolitic operculum ordinary organs outer lip oysters palaeozoic peculiar Periwinkles pillar lip plaits plates proboscis Pteropods resembles retractile proboscis rocks round rows sand Scalaria sculptured Sea-ears seas shape shell shores short siphon siphuncle skin slender slit snails snout sometimes species spiral spire stout strata Strombs suture swimming tail tentacles tertiary thin tooth tribe tropical America true tube twisted typical umbilicus valves varices Whelks whirls