Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 649
c.; whilst they are dis-tributed along the two sides of the body, in such as swimfreely through the water, or crawl over the surfaces ofrocks, as is the case with the Nereida, or simply bury them-selves in the sand, as the Arenicola or lob-worm. In theserespiiatory appendages, the circulation of…
Microscopy
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