. Bulletin - United States National Museum. Science. IS0P()D8 OF NORTH AMERICA. 563 distinct; the last ihivo arc fuscul in the terminal piece, which is tri- lobate, a lateral lobe on either side and a laro-er median posterior lobe. There are no uropoda. This species is named foi- Pi'. W. T. Caiman, the Scotch naturalist. Only one specimen was collected ])v the V. S, Bureau of Fisheries steamer Alhafroxx at Station 44:21, between Santa Bai'l)ara and San Nicolas, California. The type is in the U. S. Nat. Museum. Cat. No. 82073. 96. Genus BOPYRINA Kossmann. Branchial parasites. Female with segmen
. Bulletin - United States National Museum. Science. IS0P()D8 OF NORTH AMERICA. 563 distinct; the last ihivo arc fuscul in the terminal piece, which is tri- lobate, a lateral lobe on either side and a laro-er median posterior lobe. There are no uropoda. This species is named foi- Pi'. W. T. Caiman, the Scotch naturalist. Only one specimen was collected ])v the V. S, Bureau of Fisheries steamer Alhafroxx at Station 44:21, between Santa Bai'l)ara and San Nicolas, California. The type is in the U. S. Nat. Museum. Cat. No. 82073. 96. Genus BOPYRINA Kossmann. Branchial parasites. Female with segments of abdomen fused in the middle, more or less defined at the sides; lateral parts or pleural lamelhe not developed. Pleopoda rudimentary; tirst four pairs single-branched, simple, last ymir wanting. Uropoda wanting. ]\Iale with all the segments of the thorax distinct. Segments of the abdomen fused in the middle, but more or less defined at the sides. ANALYTICAL KEY TO THE SPECIES OF THE GENUS BOPYRINA. a. Segments of the abdomen in female defined only on one side of the body. Bopifrirta (tbbreviata Richardson a^. Segments of the abdomen in female distinctly defined on both sides of the abdomen. h. First incubatory lamellic witii tlie distal segment produced in a linguiform lobe at the outer })Osterior extremity liopjirina urocaridis Richardson b\ First incubatory lamelhe with tlu' distal segment roundly produced at the inner posterior extremity Bopijriiia thorii Richardson BOPYRINA ABBREVIATA Richardson. Bopyrinn ablnrriata Richardson, Proc. U. S. Nat. Mus., XXVII, 1904, ])p. 71-73. Locality.—Puntarasa, Florida, on Hippolyte zostericola (Smith). Body of adult female veiy asymmetrical, one side being very much longer than the other. Color entirely white with a few black dots scat- tered irregularly over the dorsal surface. Head large, turned to the shorter side; frontal border produced in a rounded lobe in the middle. Antero-lateral angles produced in narroAV lobes or proces
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