. Elements of conchology : including the fossil genera and the animals. Mollusks; Mollusks, Fossil. PLATE XVII 1. Scalaria. 2. The female Fivipara taken out of its shell, and the branchial cavity h. The orifice of the womb. i r part situated under the spire anus. canal of viscous matter, projecting line, forming a se- ( mi-canal, which terminates at the siphon d. heart and its auricle, parts of the liver and intestine opened. a. The foot folded in two. b. .. operculum attached to its ^ posterior part. c. .. head, with the tentaculi and trunk. I, d. little siphon prolonged under the right tenta


. Elements of conchology : including the fossil genera and the animals. Mollusks; Mollusks, Fossil. PLATE XVII 1. Scalaria. 2. The female Fivipara taken out of its shell, and the branchial cavity h. The orifice of the womb. i r part situated under the spire anus. canal of viscous matter, projecting line, forming a se- ( mi-canal, which terminates at the siphon d. heart and its auricle, parts of the liver and intestine opened. a. The foot folded in two. b. .. operculum attached to its ^ posterior part. c. .. head, with the tentaculi and trunk. I, d. little siphon prolonged under the right tenta- culum. e. .. lateral membrane of the left side. f. .. edge of the mantle. g. .. branchiae. h. .. womb swelled by the foe- tus within. 3. Trochus. (Cochlea sublivida, Lis.) h. The head. I p. The languette. tt. .. tentacula. I P. foot. ee. .. eyes. \ o. .. operculum. 4. Do. seen underneath, /. The foot. | m. The mouth. 5. Animal of the Tmchus pharonius, taken out of its shell, with its oper- culum. 6. 7 Turbo littoreus. S. Turbo chrysostomus. H Nerita canrena, taken out of its shell. â . - Nerita exuvia, with its operculu 13 Tmchus, Gualt. 13. Tivchus Levis, list h. The head. ee. .. eyes. U. .. tentacula. p. .. male organ. 14. Purpura- h. The head. foot. filaments. operculum | T. The trunk. I/?. foot. tt. .. tentacula. | o. .. operculum. 15. Buccinum undatum, half the natural size, seen on the left side; the trunk drawn in, and the male organ turned back, and hidden in the branchial cavity. a. The male organ. | e. The position of the heart, c. .. siphon. I J". mucous plates placed to the dd, â â position of the branchia?. | right of the branchiae. 16. Buccinum undatum, with the trunk and male organ extended, a. The male organ. b. .. trunk. c. .. siphon. 17. Natica .. Fossar, h. The head. eyes. fleshy appendages at the base of each tcntaeu- htm. magnified. tt. The tentacula. o< .. open culum. nr. The mouth. $j' .. Please note that these images are extracte


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Keywords: ., bookauthordallwilliamheale, bookcentury1800, booksubjectmollusks