Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 746
rt and generative apparatus being placed by the side of theintestine in the abdominal j)ortion of the body. The zooids are COMPOUND ASCIDIANS :—BOTRYLLIANS. 661 frequently arranged in star-shaped clusters, their anal orifices beingall directed towards a common vent which occupies the centre.—This… … Botryllus violaceus :■ -A, cluster on the surface of a Fucus:—B, portionof the same enlarged. The anatomy of these animals is very similar to that of theAmaroucmm already described; with this exception, that thebody exhibits no distinction of cavities, all the organs being broughttogether in one,…
Microscopy · Biology
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