Book,  Paragraph

 1  IV,  4  |        in the purple murex, the ceryx or trumpet-shell, the sea-snail,
 2  IV,  4  | proboscis is tongue-shaped. The ceryx and the purple murex have
 3  IV,  4  |        the purple murex and the ceryx by observation within the
 4  IV,  4  |        the purple murex and the ceryx, but can easily slip out
 5  IV,  4  |        shell, and resembles the ceryx in shape, only the poppy-juice
 6   v,  12 |       about springtime, and the ceryx at the close of the winter.
 7   v,  15 |         of the porphyra and the ceryx; for it is deposited by
 8   v,  15 |      for it is deposited by the ceryx as well. Such, then, of
 9   v,  15 | phenomena are manifested by the ceryx or trumpet-shell; and the
10   v,  15 |         also, the murex and the ceryx, have their opercula similarly
11   v,  15 |          Both the murex and the ceryx are long lived. The murex
12   v,  15 |     into the shell of the small ceryx. After entering new shell,
13 VIII,  13|      sea, the purple murex, the ceryx, and all such like; but
14 VIII,  13|        the purple murex and the ceryx for about thirty days at