. 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. 155, X i (* Fig. 156, X ^ (*) 168 WEST AMERICAN SHELLS Fusus kohelti, Dall, KobeltsSpindle-shell, is beautifullyshown in Figure 157. It isvery graceful in form and oc-casionally grows to the size ofthe picture, though usually itis not over two inches in are five or six whorls,with nine elevations on eachwhorl, crossed by fine, dark,spiral lines, though the mainc
. 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. 155, X i (* Fig. 156, X ^ (*) 168 WEST AMERICAN SHELLS Fusus kohelti, Dall, KobeltsSpindle-shell, is beautifullyshown in Figure 157. It isvery graceful in form and oc-casionally grows to the size ofthe picture, though usually itis not over two inches in are five or six whorls,with nine elevations on eachwhorl, crossed by fine, dark,spiral lines, though the maincolor of the shell is whitish. Fusus luteopictus, Dall, thePainted Spindle-shell, Figure158. (Fusus nmbustus), isreally about 20mm. long. The.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectmollusks, bookyear190
