Report of the Commissioner - United States Commission of Fish and Fisheries . ~So. 688 Fig. EXPLANATION OF PLATE XXVII. Figure 186.—Teredo navalis, (p. 669;) shell and pallets. 187.—Teredo Thoinsoni, (p. 670 ;) shell and pallets. 188.—Teredo niegotara, (p. 670 ;) shell and pallets. 189.—Xylotrya fimbriata, (p. 670;) shell and pallets. 190.—Gastranella tnmida, (p. 678;) shell, enlarged six diameters. 191.—Corhula contracta, (p. 672;) natural size. 192.—Saxicava arctica, (p. 671;) natural size. 183.—Clidiophora trilineata, (p. 673;) natural size, with animal. 194.—Lyonsia hyalina, (p. 672;

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Report of the Commissioner - United States Commission of Fish and Fisheries . ~So. 688 Fig. EXPLANATION OF PLATE XXVII. Figure 186.—Teredo navalis, (p. 669;) shell and pallets. 187.—Teredo Thoinsoni, (p. 670 ;) shell and pallets. 188.—Teredo niegotara, (p. 670 ;) shell and pallets. 189.—Xylotrya fimbriata, (p. 670;) shell and pallets. 190.—Gastranella tnmida, (p. 678;) shell, enlarged six diameters. 191.—Corhula contracta, (p. 672;) natural size. 192.—Saxicava arctica, (p. 671;) natural size. 183.—Clidiophora trilineata, (p. 673;) natural size, with animal. 194.—Lyonsia hyalina, (p. 672;) natural size. 195.—Thracia truncata, (p. 674 ;) natural size. 196.—Thracia myopsis, (p. 673;) natural size. 197.—Periploma papyracea, (p. 673;) natural size. 198.—Cochlodesma leanum, (p. 673 ;) natural size. 189.—Petricola pholadiformis, (p. 680 ;) natural size. 200.—Pholas truncata, (p. 670 ;) natural size. (Figure 190 was drawn by A. E. Verrill; all the rest arefrom Binneys Gould, mostly drawn by E,S. Morse.) Plate XXVII. Pig. 186.

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Keywords: ., bookcentury1800, bookdecade1870, booksubjectfisheries, bookyear18