Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 606
the thorax is seen the oral orificec, which leads to the branchial sac e ; this is perforated by animmense number of slits, which aKow part of the water topass into the space between the branchial sac and the mus-cular mantle, where it is especially collected in the thoracicsinus/. At k is seen the… … Compoimd mass of Amaroticium prolife-rum, with the anatomy of a single zooid:—A, thorax; b, abdomen; c, post-abdo-men :—e, oral orifice; e, branchial sac;f, thoracic sinus; i, anal orifice; i, projec-tion overhanging it; j, nerrous ganglion;k, oesophagus; I, stomach surrounded bybiliary tubuU; m,…
Microscopy
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