. Bulletin - United States National Museum. Science. COPEtODS OF THE WOODS HOLE REGION 431 DINEMATURA PRODUCTA (Miiller) Figure 270 Caligus productus Muller, Entomostraca, p. 132, pi. 21, figs. 3^, 1785. Dinematura producta Wilson, Proc. U. S. Nat. Mus., vol. 33, p. 380, pi. 23,1907.— Brian, Monitore Zool. Ital., anno 22, no. 8, p. 197, 4 figs., 1911 (male). Occurrence.—Taken from the fins of a " large shark " captured by the Grainyus considerably south of Woods Hole. Distribution.—British seas (Johnston, Baird, T. and A. Scott, Nor- man) ; Kattegat (Steenstrup and Liitken); coast of
. Bulletin - United States National Museum. Science. COPEtODS OF THE WOODS HOLE REGION 431 DINEMATURA PRODUCTA (Miiller) Figure 270 Caligus productus Muller, Entomostraca, p. 132, pi. 21, figs. 3^, 1785. Dinematura producta Wilson, Proc. U. S. Nat. Mus., vol. 33, p. 380, pi. 23,1907.— Brian, Monitore Zool. Ital., anno 22, no. 8, p. 197, 4 figs., 1911 (male). Occurrence.—Taken from the fins of a " large shark " captured by the Grainyus considerably south of Woods Hole. Distribution.—British seas (Johnston, Baird, T. and A. Scott, Nor- man) ; Kattegat (Steenstrup and Liitken); coast of Norway (Jen- sen) ; Faroe Islands, Greenland (Hansen) ; Finmark (Kr0yer); Gulf of Genoa (Brian); Denmark, Norway (Miiller) ; Casco Bay, Me. (Wilson). Color.—Body of preserved specimens a uniform light brown. Female.—Carapace orbicular, deeply notched at the center of each lateral margin; second and third segments filling the space between the posterior lobes of the carapace, third segment with lateral-dorsal plates wider than those on sec- ond segment. Dorsal plates of fourth segment sep- arated by a deep median sinus, their posterior ends evenly rounded. Genital segment twice as long as wide and half as wide as the carapace, its dorsal plates obliquely truncated; dorsal plates of sixth segment narrow and elongate, with rounded tips. Abdomen quadrangular; caudal rami foliaceous, with spines only; rami of fourth legs boot shaped, the heels turned outward; sixth legs 1-segmented, reaching the center of the caudal rami. Total length, 15-19 mm. figure 270.—Dme- Male.—CsirsLpace orbicular, wider than long; FemaS'"dofsaf"' second and third segments narrower and longer than in the female, both with dorsal plates; fourth segment without dorsal plates, the same width as the genital segment, contracted into a short narrow waist anteriorly. Genital segment elliptical, scarcely twice as long as wide, with evenly rounded posterior corners; no lobes, no dorsal plates
Size: 984px × 2540px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorun, bookcentury1800, bookdecade1870, booksubjectscience
