Brief contributions to zooelogy, from the museum of Yale College; No. XXVII, Results of recent dredging expeditions on the coast of New England, No. 5

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1874
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Abstract
THE shores of the islands and of Cape Elizabeth afford excellent collecting grounds at low water, owing to their diversified character.A large part of these shores are abrupt and rocky, and often formed of broken and precipitous ledges of hard metamorphic slates and thin-bedded grits, or altered sandstones, in some placcs passing into gneissose rocks, and generally dipping at a high angle.Tide-pools are of frequent occurrence, and often of large size, and afford excellent opportunities for obtaining the shallow-water and littoral species of animals, and many beautiful algie.One very large pool on Ram Island Ledges was especiall,y rich, and was visited several times with profit.In this pool young lobsters of all sizes were very abundant beneath the stones.Two species of Chitonidie also occurred here, together with many other species not usually to be found at low-water mark.Hydroids and Bryozoa, of many species, were abundant in this and other similar pools.'1'he shore species obtained upon the islands and outer shores of the bav were nearly all boreal or arctic forms.In the harbor of Portland, on the piles of the wharves, etc., a few more southern species were met with, though the northern ones predominate even there.Several insects were met with between tides.Among these were Oh£ronoml1s oceanic us, and the larvie, about two inches long, of a fiy, probably an Eristab's, which lived in small tidepool!",under stones, and extended their long tapering tails up to the surface; the pupa of a £l,y alli.ed to Ji.'phydra,.a species of Bled£us.and several other beetles; and two or three species of mites, were also collected between tides.The following were among the shore-dwelling species:Cancer borealis.
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Authors A. E. Verrill
Journal american journal of science
Year 1874
DOI
10.2475/ajs.s3-7.38.131
URL
Keywords Keywords not found

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