. The shell book . 17 Copyright, 1908, by Doubleday, Page & SHELLS OF TROPICAL SEAS 9 Prince Cone Shell, Can 115 princcps. Linn. 13 Bulls Mouth Helmet Shell, Cassis ruja. Linn. 14 Granulated Cone Shell, Conns granulahis, Linn. 10 Little Moon Shell, Nalica fann-na. Linn. 11 Bubble Cone Shell, Conns bullalus. Linn. IS Fighting Conch, Slrombus pugilis. Linn. 12 Textile Cone Shell, Conns textile, Linn. 16 Cross-barred Shell, Cancellaria reticulata. Linn. 17 Papal Mitre, Mitra papalis. Linn. THE Ml :••/ Y PUBLIC LIDHARY TILBuN I ->Uu f| ...S. c • CHAPTER XXII: THE HELMET SHELLS.
. The shell book . 17 Copyright, 1908, by Doubleday, Page & SHELLS OF TROPICAL SEAS 9 Prince Cone Shell, Can 115 princcps. Linn. 13 Bulls Mouth Helmet Shell, Cassis ruja. Linn. 14 Granulated Cone Shell, Conns granulahis, Linn. 10 Little Moon Shell, Nalica fann-na. Linn. 11 Bubble Cone Shell, Conns bullalus. Linn. IS Fighting Conch, Slrombus pugilis. Linn. 12 Textile Cone Shell, Conns textile, Linn. 16 Cross-barred Shell, Cancellaria reticulata. Linn. 17 Papal Mitre, Mitra papalis. Linn. THE Ml :••/ Y PUBLIC LIDHARY TILBuN I ->Uu f| ...S. c • CHAPTER XXII: THE HELMET SHELLS FAMILY CASSIDID/^ SHELL heavy, thick, sub-globular, or three-cornered; spireshort; whorls sometimes varicose; aperture long, ending in frontin a recurved channel; columella thick, widely spread out, withfolds; outer lip thickened at margin and toothed within; oper-culum horny, concentric, fan-shaped; head large; tentacles witheyes at base; snout extensible; foot large; mantle large. An energe
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Keywords: ., bookcentury1900, bookdecade1900, bookidshellbook00r, bookyear1908
