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On The Biology Of Glossus Humanus (L.) (Isocardia Cor Lam.)

Published online by Cambridge University Press:  11 May 2009

G. Owen
G. Owen
Affiliation:
The Marine Station, Millport, and the Department of Zoology, University of Glasgow
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Extract

Glossus humanus (L.) (Isocardia cor Lam.), a large marine eulamellibranch, occurs in deep water in soft muddy substrates. Restriction of the species to a soft substrate is probably correlated with the inflated form of the shell, the weak musculature of the foot, and the poor elastic properties of the ligament.

Growth of the mantle/shell is the resultant of radial, transverse and tangential components, the normal axis being a turbinate spiral. The anterior region of the ligament is progressively split during growth owing to the displacement posteriorly of the secreting surfaces. The relationships of the valves, ligament and mantle isthmus are discussed.

The deeply plicated ctenidia are specialized for dealing with large volumes of water containing little suspended material.

The anatomy and functioning of the stomach is described in detail. There is a complex ciliated mechanism selecting particles on the basis of size. Such a mechanism, it is suggested, must be associated with intracellular digestion. The flap-like major typhlosole prevents material carried by the intestinal groove from returning to the circulation within the stomach, while the retention of an isolated opening for the left pouch is probably correlated with the need for firm fixation of the gastric shield.

Spawning occurs at the end of September.

Type
Research Article
Information
Journal of the Marine Biological Association of the United Kingdom , Volume 32 , Issue 1 , June 1953 , pp. 85 - 106
Copyright
Copyright © Marine Biological Association of the United Kingdom 1953

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References

REFERENCES

Atkins, D., 1936. On the ciliary mechanisms and interrelationships of lamellibranchs. Part I. Some new observations on sorting mechanisms in certain lamellibranchs. Quart. Journ. Micr. Sci., Vol. 79, pp. 181–308.Google Scholar
Atkins, D., 1937a. On the ciliary mechanisms and interrelationships of lamellibranchs. Part II. Sorting devices on the gills.Quart. Journ. Micr. Sci., Vol. 79, pp. 339–73.Google Scholar
Atkins, D., 1937b. On the ciliary mechanisms and interrelationships of lamellibranchs. Part IV. Cuticular fusion, with special reference to the fourth aperture in certain lamellibranchs. Quart. Journ. Micr. Sci., Vol. 79, pp. 423-45.Google Scholar
BØggild, O. B., 1930. The shell structure of the Mollusks. K. Danske Vidensk. Selsk. Skr., Afd. 9, Raekke 2, pp. 231-325.Google Scholar
Coe, W. R., 1947. Nutrition, growth and sexuality of the pismo clam (Tivela stultorum). Journ. Exp. Zool., Vol. 104, pp. 1–24.CrossRefGoogle ScholarPubMed
Forbes, E. & Hanley, S., 1853. A History of British Mollusca, and their Shells. Vol. 1, London.Google Scholar
George, W. C., 1952. The digestion and absorption of fat in lamellibranchs. Biol. Bull. Woods Hole, Vol. 102, pp. 118–27.CrossRefGoogle Scholar
Graham, A., 1949. The molluscan stomach. Trans. Roy. Soc. Edin., Vol. 61, PP. 737–76.CrossRefGoogle Scholar
Jeffreys, G., 1863.British Conchology. Vol. 11. London.Google Scholar
Jeffreys, G., 1876. New and peculiar Mollusca of the Kellia, Lucina, Cyprina and Corbula families procured in the ‘Valorous’ Expedition.Ann. Mag. Nat. Hist., Vol. 18, pp. 490–9.CrossRefGoogle Scholar
Lamy, E., 1920. Revision des Cypricardiacea et des Isocardiacea vivants. Journ. Conchyliol., T. 64, pp. 259–307.Google Scholar
Mansour, K. & Zaki, F. G., 1947. The digestive diverticula of Unio prasidens as organs of secretion. Proc. Egypt. Acad. Sci., Vol. 2, pp. 38-44.Google Scholar
Morton, J. E., 1951. The ecology and digestive system of the Struthiolariidae (Gastropoda). Quart. Journ. Micr. Sci., Vol. 92, pp. 1-25.Google ScholarPubMed
Nelson, T. C., 1918. On the origin, nature and function of the crystalline style of lamellibranchs. Journ. Morph., Vol. 31, pp. 53–111.CrossRefGoogle Scholar
Nicol, D., 1951. Recent species of the cyrenoid pelecypod Glossus. Journ. Wash Acad. Sci., Vol. 41, pp. 142–6.Google Scholar
Owen, G.J., 1952. Shell-form in the Lamellibranchia. Nature, Vol. 170, pp. 148–9.CrossRefGoogle Scholar
Owen, G., 1953. The shell in the Lamellibranchia.Quart. Journ. Micr. Sci. (in the Press).Google Scholar
Owen, G., Trueman, E. R. & Yonge, C. M., 1953. The ligament in the Lamellibranchia. Nature, Vol. 171, pp. 73–5.CrossRefGoogle ScholarPubMed
Patterson, T. L., 1933. Comparative physiology of the gastric hunger mechanism. Ann. New York Acad. Sci., Vol. 34, pp. 59–272.Google Scholar
Purchon, R. D., 1953. The structure and function of the British Pholadidae (rock-boring Lamellibranchia).Proc. Zool. Soc. Lond. (in the Press).Google Scholar
Ridewood, W. G., 1903. On the structure of the gills of the Lamellibranchia. Phil. Trans. Roy. Soc. Lond., B, Vol. 195, pp. 147–284.Google Scholar
Steedman, H. F., 1950. Alcian Blue 8 GS: A new stain for mucin. Quart. Journ. Micr. Sci., Vol. 91, pp. 477–9.Google Scholar
Trueman, E. R., 1949. The ligament of Tellina tenuis. Proc. Zool. Soc. Lond., Vol. 119, PP. 717–42.CrossRefGoogle Scholar
Trueman, E. R., 1950. Observations on the ligament of Mytilus edulis. Quart. Journ. Micr. Sci., Vol. 91, pp. 225–35.Google ScholarPubMed
Yonge, C. M., 1925. The hydrogen ion concentration in the gut of certain lamellibranchs and gastropods. Journ. Mar. Biol. Assoc., Vol. 13, pp. 938–52.CrossRefGoogle Scholar
Yonge, C. M., 1926a. The digestive diverticula in lamellibranchs. Trans. Roy. Soc. Edin., Vol. 54, pp. 703-18.CrossRefGoogle Scholar
Yonge, C. M., 1926b. Structure and physiology of the organs of feeding in Ostrea edulis. Journ. Mar. Biol. Assoc, Vol. 14, pp. 295-386.CrossRefGoogle Scholar
Yonge, C. M., 1937 The biology of Aporrhais pes-pelecani (L.) and A. serresiana (Mich.), Journ. Mar. Biol. Assoc, Vol. 21, pp. 687–704.CrossRefGoogle Scholar
Yonge, C. M., 1946. On the habits and adaptations of Aloidis (Corbula) gibba. Journ. Mar. Biol. Assoc, Vol. 26, pp. 358–76.CrossRefGoogle ScholarPubMed
Yonge, C. M., 1949. On the structure and adaptations of the Tellinacea, deposit feeding eulamellibranchs. Phil. Trans. Roy. Soc. Lond., B, Vol. 234, pp. 29–76.Google Scholar
Yonge, C. M., 1951a. Observations on Sphenia binghami Turton. Journ. Mar. Biol. Assoc, Vol. 30, pp. 387–92.CrossRefGoogle Scholar
Yonge, C. M., 1951b. On the structure and adaptations of Cryptomya californica (Conrad). Univ. Calif. Publ. Zool., Vol. 55, pp. 395–400.Google Scholar
Yonge, C. M., 1953. The monomyarian condition in the Lamellibranchia. Trans. Roy. Soc. Edin., Vol. 62, pp. 443–78.CrossRefGoogle Scholar