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their Distribution in the Mississippi Valley,” by R. ELLswortTH CALL 
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which is geographically and numerically all but complete,” and on some 
months’ study in the Smithsonian Institution. No less than 59 species are 
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[The Albatross made eight hauls of the dredge on approaching Honolulu 
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bottles of material, which did not contain a single species heretofore described. 
One new sub-genus (Sfergo) of Pleuzrofomide, and numerous species are de- 
scribed, and a very full account is given of the anatomy of Azczrca pacifica, 
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Beitrage zur Kenntniss der Strombiden, besonders der Gattung 
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