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CHAPTER VIII. 



ANNELIDS — BARNACLES, AND JELLY-FISH. 



On plate f may be seen some figures of 

 strange-looking creatures, having a kind of 

 general resemblance to each other, but belonging 

 to very different ranks in the animal kingdom. 

 They are, however, placed near each other, in 

 order to show how the same idea of form runs 

 through different genera. The figure on the left 

 is no worm, although it bears some resemblance 

 to the creatures whose portraits occupy the top 

 and right of the same plate. No. 3 is a mollusc, 

 ranking with the periwinkle, mussels, nudibranchs, 

 and other creatures, which have already been 

 described in Chap. II. Then, again, the figure 

 occupying the bottom of the plate has rather a 

 worm-like aspect, and would bear even a close 

 likeness, if it were much longer in proportion 

 to its diameter, as is the case with some of its 

 congeners. This animal, however, belongs to the 

 star-fishes. The central figure, which is really 

 one of the worms, looks much more like a com- 



