Elements of conchology including Elements of conchology : including the fossil genera and the animals elementsofconcho00bowd Year: 1822 PLATE XIX 1. Stwmbus I'ugilis. 2. Murcx saxatilis. '3. Halyoil's vulgaris, its shell taken away, seen on the hack, and the c of the branchial cavity put asunder. A. The large muscle which attaches the animal to the shell. a. The anus. | c. The viscous organ. bb. .. branchiae. | d. .. heart in its pericardium. 4. Halyotis, etc. the pericardium and branchial cavity opened. A. The large muscles above. a. .. anus. bb. .. branchiae. c ,. viscous organ. 5. The hea
Elements of conchology including Elements of conchology : including the fossil genera and the animals elementsofconcho00bowd Year: 1822 PLATE XIX 1. Stwmbus I'ugilis. 2. Murcx saxatilis. '3. Halyoil's vulgaris, its shell taken away, seen on the hack, and the c of the branchial cavity put asunder. A. The large muscle which attaches the animal to the shell. a. The anus. | c. The viscous organ. bb. .. branchiae. | d. .. heart in its pericardium. 4. Halyotis, etc. the pericardium and branchial cavity opened. A. The large muscles above. a. .. anus. bb. .. branchiae. c ,. viscous organ. 5. The heart and huge vessels n a. i. As the preceding figure h. The right branchial veil A. The heart. e. .. right auricle. f. .. left auricle. g. .. heart surrounding the rectum. ii. ,. branchial arteries. igni/icd. fissuretla entire, covered with its te mantle. open. a. The disk of the foot. bb. circular muscle which joins it to the shell, eh is set in the edges of its and which has been cut. k. t. mm. nn. auricles, intestine. b. A portion of this muscle re- maining with the man- tle. cc. The mantle thrown back, and seen on the under side. d. .. hole with which it is pierced. ee. .. branchiae. f. .. anus. , f 'ermeius, Adanson. c. The tentaculal y. eyes. P. .. foot. F. Cylindrical filaments. The same animal seen underneath. p. The foot put on one side, to make it more apparent B. The mouth. pharynx, salivary glands, lateralganglionsoftlie braii extremity of the tongue, liver. n. Operculum. M. Mantle. A. Aperture by which the animal breathes.
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