those Testacea capable of producing pearls include rainbow abalone, turbo snails, giant clams, and saltwater scallops—briefly, all those that secrete mother-of-pearl, in other words, that blue, azure, violet, or white substance lining the insides of their valves.”
“Are mussels included too?” the Canadian asked.
“Yes! The mussels of certain streams in Scotland, Wales, Ireland, Saxony, Bohemia, and France.”
“Good!” the
those Testacea capable of producing pearls include rainbow abalone, turbo snails, giant clams, and saltwater scallops—briefly, all those that secrete mother-of-pearl, in other words, that blue, azure, violet, or white substance lining the insides of their valves.”
“Are mussels included too?” the Canadian asked.
“Yes! The mussels of certain streams in Scotland, Wales, Ireland, Saxony, Bohemia, and France.”
“Good!” the
