Summary
The author gives a careful and detailed account of the membranous labyrinth of the Indian sharkScoliodon sorrakowah, and both corrects and supplements the description of this organ given by Thillayampalam. Amongst the main inaccuracies in Thillayampalam’s account, may be mentioned the joining of the posterior and anterior semicircular canals dorsally to form a single tube, the position of the lagena distinctly ventral to the sacculus, the entire omission of therecessus utriculi and its nerve supply, the missing of the twoRamuli partis basilaris, and the notion that the posterior semicircular canal also, like the other two canals, communicates with the utriculus.
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Communicated by Mr. Beni Charan Mahendra,f.z.s.
Thesis approved as part of the requirements for the M.Sc. degree (1939) in the University of Agra.
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Lal, S.S. The internal ear ofScoliodon sorrakowah (cuvier). Proc. Indian Acad. Sci. 9, 365–374 (1939). https://doi.org/10.1007/BF03048508
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DOI: https://doi.org/10.1007/BF03048508