. Annals and magazine of natural history : including zoology, botany and geology. British Marine Testaceous Mollusca. 473 Diagram of the Synopsis, being a strict one of its genera, in natural position, in respect to the main lines and branches, agreeably to our method. Hypothyris. Terebratula. Megathyris. Crania. Anomia. Pecten. Lima. Ostrea. Mytilus. Modiola. Crenella. Pinna. Avicula. Area. Pectunculus. Nucula. Leda. Galeomma. Unio. Anodon. Cyprina. Circe. Astarte. Isocardia. Lucina. Turtonia. Kellia. Lepton. Montacuta. Cyclas. Pisidium. Cardium. Venus. Artemis. PuUastra. Lucinopsis. Mactra.
. Annals and magazine of natural history : including zoology, botany and geology. British Marine Testaceous Mollusca. 473 Diagram of the Synopsis, being a strict one of its genera, in natural position, in respect to the main lines and branches, agreeably to our method. Hypothyris. Terebratula. Megathyris. Crania. Anomia. Pecten. Lima. Ostrea. Mytilus. Modiola. Crenella. Pinna. Avicula. Area. Pectunculus. Nucula. Leda. Galeomma. Unio. Anodon. Cyprina. Circe. Astarte. Isocardia. Lucina. Turtonia. Kellia. Lepton. Montacuta. Cyclas. Pisidium. Cardium. Venus. Artemis. PuUastra. Lucinopsis. Mactra. Donax. Ervilia. Tellina. Psammobia. Syndosmya. Scrobicularia. Diodonta. Anatina, Corbula. Spliaenia. Pandora. Nesera. Poromya. Solen. Solenicurtus. Gastrochaena. Saxicava. Venerirupis. Petricola. Mya. Pholas. Teredo. Xylophaga. Dentalium. Chiton. Patella. Acmsea. Pileopsis. Calyptra2a. Fissurella. Emarginula. Puncturella. Haliotis. Pleurobranchus. Hyalea. Spirialis. Aplysia. Bulla. BuUaea. Tornatella. Limax* Helix Limnea. Cyclostoma. Paludina. Neritina. Littorina. Rissoa. Assiminia. Skenea. Trochus. Phasianella. Adeorbis. Turritella Cerithium Aporrhais Csecum. Conovulus. Pedipes. Carychium. Acme. Truncatella. Chemnitzia. Eulima. Aclis. Scalaria. lantliina. Natica. Lamellaria. Velutina. Murex. Cypraea. Ovula. Marginalia. Octopus. Eledona. Loligo. Sepia. Sepiola. Spirula. We have made Tornatella tlie point of departure of the branch lines; because, though it has an operculum, it is from its structure and hermaphroditism much more closely allied to Bulla than either to Cyclostoma on one side, or to Truncatella and the Pyra- midelhdse on the other. The intervention of Limax, Helix, and. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original London
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Keywords: ., bookcentury1800, bookdecade1850, bookpublisherlondon, bookyear185
