. West American shells; a description in familiar terms of the principal marine, fresh water and land mollusks of the United States found west of the Rocky Mountains, including those of British Columbia and Alaska ... Fig. 174, X t (*) Fig. x i (*) 173. The shell isthin and color is i)ink-ish, and there is athin outer lip iswidely is aboutthe length of thislarge shell. Stromhella mid- 178 WEST AMERICAN SHELLS dendorffii, Dall, Middendorffs Strombella, isshown in Figure 174. This fine large shell ismarked by sharp, fine grooves which run aroundi

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. West American shells; a description in familiar terms of the principal marine, fresh water and land mollusks of the United States found west of the Rocky Mountains, including those of British Columbia and Alaska ... Fig. 174, X t (*) Fig. x i (*) 173. The shell isthin and color is i)ink-ish, and there is athin outer lip iswidely is aboutthe length of thislarge shell. Stromhella mid- 178 WEST AMERICAN SHELLS dendorffii, Dall, Middendorffs Strombella, isshown in Figure 174. This fine large shell ismarked by sharp, fine grooves which run aroundit spirally. The lip is reddish-yellow, or is a fine, shapely shell, and it reaches a length of110 175shows the largestshell of all, itslength amount-ing to the re-markable extentof 137mm., whileit is 75mm. inbreadth. Thissplendid shell isnamed Strom-bella melonis,Dall, the MelonStrombella. Al-though so largeit is not veryheavy, for it isvery thin, likemost of tlie trueMelon-shells. Its Fig. 175, x |(*)

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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmollusks, bookyear190