. Zoology for high schools and colleges. Zoology. Fie. 204. Fig. 205. Fio. 204.—Cjtpnso (noneto.—After Stearns Fio. W6.—Olivella biplicata.—MteT Stearns. mark to fifty or one hundred fathoms. The abyssal fauna at the depth of from 500 to about 2000 fathoms has a few char- acteristic jnoUusks. Many live on land and in fresh water. The largest, most highly colored shells live in the tropics, while those found in the temperate zones are less beautiful, and the arctic species are the smallest and dullest in color. The shells of the eastern coast of North America are divided into several assemblage
. Zoology for high schools and colleges. Zoology. Fie. 204. Fig. 205. Fio. 204.—Cjtpnso (noneto.—After Stearns Fio. W6.—Olivella biplicata.—MteT Stearns. mark to fifty or one hundred fathoms. The abyssal fauna at the depth of from 500 to about 2000 fathoms has a few char- acteristic jnoUusks. Many live on land and in fresh water. The largest, most highly colored shells live in the tropics, while those found in the temperate zones are less beautiful, and the arctic species are the smallest and dullest in color. The shells of the eastern coast of North America are divided into several assemblages, or faunae, the West Indian or tropical shells, in some cases, reaching as far north as Cape Hatteras; between this point and Cape Cod a north temperate assemblage occurs, and north of Cape Cod the molluscan fauna is essentially Arctic; many species being common to the arctic and subarctic seas of the circumpolar Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Packard, A. S. (Alpheus Spring), 1839-1905. New York, H. Holt and Company
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Keywords: ., bookcentury1800, bookdecade1880, bookpublishe, booksubjectzoology
