. West coast shells. A familiar description of the marine, fresh water, and land mollusks of United States, found west of the Rocky Mountains ... THE GIANT CHITON. Ill. Fig. 99. nearly concealed them, bnt in this species the work iscompleted. The whole back of the animal is cov-ered with a hard, gritty, reddish brown mantle, whichwholly conceals the eight white valves, one of whichis shown in Fig. 99. These single valves are found much more often than the complete animal,and from their peculiarshape they are called But-terfly shells. Perhapsmany who gather themare at a loss to know theirorigin
. West coast shells. A familiar description of the marine, fresh water, and land mollusks of United States, found west of the Rocky Mountains ... THE GIANT CHITON. Ill. Fig. 99. nearly concealed them, bnt in this species the work iscompleted. The whole back of the animal is cov-ered with a hard, gritty, reddish brown mantle, whichwholly conceals the eight white valves, one of whichis shown in Fig. 99. These single valves are found much more often than the complete animal,and from their peculiarshape they are called But-terfly shells. Perhapsmany who gather themare at a loss to know theirorigin, but a study of thisvery singular butterflyof the sea will reveal allthe mystery. Thesevalves are pure white andare about an inch and a half in breadth. In Fig. 99, we have the picture of a small speci-men of the Black Chiton, Katherina tunicata, Sby.,Kath-e-ri-na tu-ni-ca-ta, which wasnamed in honor of Lady KatharineDouglass, who first sent a specimen to theBritish Museum. The outline is ellipti-cal, and the small white valves are nearlycovered by the thick black mantle. Thissingular arrangement of the parts is sostriking that it cannot be mistaken forany othe
Size: 1710px × 1461px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectmollusks, bookyear188
