Lectures on the comparative anatomy and physiology of the invertebrate animals : delivered at the Royal College of Surgeons . dinal canals communicate with a circular one, and a similarcircular vessel surrounds the anal disc, in Beroe Forskalii* Willf has given a good description and figure of the infundibularchylaqueous cavity, and the canals sent off to the stomach, to thelong and short rows of cilia, to the tentacles and the body-lobes, inthe Eucharis multicornis, a lobed Beroe, belonging to the same familyas the Lesueuria of Edwards and the Bolina of Agassiz, who confirms,in the main, this


Lectures on the comparative anatomy and physiology of the invertebrate animals : delivered at the Royal College of Surgeons . dinal canals communicate with a circular one, and a similarcircular vessel surrounds the anal disc, in Beroe Forskalii* Willf has given a good description and figure of the infundibularchylaqueous cavity, and the canals sent off to the stomach, to thelong and short rows of cilia, to the tentacles and the body-lobes, inthe Eucharis multicornis, a lobed Beroe, belonging to the same familyas the Lesueuria of Edwards and the Bolina of Agassiz, who confirms,in the main, this account, in his elaborate description of the chyla-queous system of a North American Beroe {Pleurobrachia rhodo-dactyla, Ag4). In this species M. Agassiz observed that, besidesthe movement of the chylaqueous fluid due to the ciliated epitheliumlining the system containing it, the parietes of the central cavity ofthe main trunks, as well as those of the vessels to the ciliated bands,contracted and dilated ; and that the dilatation of the vessels of oneside of the body alternated with the dilatation of those of the other. Cydippe. * See tlie beautiful figure of the system of ciliated chylaqueous canals, injectedin CXLVI. pi. 6. fig. 1., a. ^^<^n t CXIV. p. 31. tab. i. fig. iii. ^rri i . X CXLVIII. pp. 332—339. pi. iii. and iv.


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Keywords: ., bookauthorowenrichard18041892, bookcentury1800, bookdecade1850