. Bulletin - United States National Museum. Science. 214 BULLETIN 15 8, UNITED STATES NATIONAL MUSEUM Found in great abundance in Penzance Pond, Woods Hole, and Sengekontacket Pond, Marthas Vineyard. Distribution.—British Isles (Brady, Bourne); coast of Bohuslan (Cleve); Mediterranean (Claus); coast of Norway (Sars) ; North Sea (Timm); Adriatic (Car, GraefFe, Steuer, Grandori, Pesta) ; Wickford, Charlestown Pond, K. I. (Williams); Woods Hole (Sharpe), Color.—Entire cephalothorax, the tips of the swimming legs and the ovisacs golden yellow faintly washed with brown; remainder of body and append
. Bulletin - United States National Museum. Science. 214 BULLETIN 15 8, UNITED STATES NATIONAL MUSEUM Found in great abundance in Penzance Pond, Woods Hole, and Sengekontacket Pond, Marthas Vineyard. Distribution.—British Isles (Brady, Bourne); coast of Bohuslan (Cleve); Mediterranean (Claus); coast of Norway (Sars) ; North Sea (Timm); Adriatic (Car, GraefFe, Steuer, Grandori, Pesta) ; Wickford, Charlestown Pond, K. I. (Williams); Woods Hole (Sharpe), Color.—Entire cephalothorax, the tips of the swimming legs and the ovisacs golden yellow faintly washed with brown; remainder of body and appendages light brown, often tinged with blue; eggs pale blue; eye bright red. Female.—Cephalic segment about half the body length, strongly compressed, the epi- meral portions turned down- ward and inclosing the mouth parts; rostrum very prominent, curved downward, and blunt at the tip; genital segment di- vided, the anterior half dilated; caudal rami close together, their apical setae nearly paral- lel. First antennae very long and slender; basal expansion of fifth legs reaching beyond the tip of the distal segment, tongue-shaped, with three apical setae and two on the inner margin; distal segment twice as long as wide with six unequal setae, the inner and three outer ones plumose, the other two slender and hairlike. Total length, 0,7-0,9 mm. Male.—First antennae prehensile, the five distal segments turned outward; second basipod of first legs with a small inner lappet; endopod of second legs scarcely as long as the basal exopod segment, its distal segment subspherical, with a curved apical spine and an outer setiform spine, both denticulate; segments of fifth legs com- pletely fused, basal expansion with two unequal setae, distal portion with four setae, the second outer one hairlike; rudimentary sixth legs present. Total length, ; mm. Remarks.—This species may be distinguished by the prominent rostrum, the long antennae, and the details of the fifth legs. It
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Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
