. Illustrations of the conchology of Great Britain and Ireland . in that river. In the Scottish rivers this shell is still occasion-ally fished for the sake of the included pearls; and it is said that the pearls which decorate the Scottish crownare native ones, and chiefly from the river Tay. For an account of the Formation of Pearls, see Encyclopedia Britannica, Vol. VI. Article Conchology, page 481. Fig. 2. UNIO piCTOKUM. Unio pictorum, Browns MSS. Mya pictorum, Mont. Test. Brit. p. 34—Bromn in Ency. Brit. vi. p. 405.—Fen. Brit. Zoot. iv. pi. 43, fig. 17—Linn. Tr. viii. p. ovalis, Don


. Illustrations of the conchology of Great Britain and Ireland . in that river. In the Scottish rivers this shell is still occasion-ally fished for the sake of the included pearls; and it is said that the pearls which decorate the Scottish crownare native ones, and chiefly from the river Tay. For an account of the Formation of Pearls, see Encyclopedia Britannica, Vol. VI. Article Conchology, page 481. Fig. 2. UNIO piCTOKUM. Unio pictorum, Browns MSS. Mya pictorum, Mont. Test. Brit. p. 34—Bromn in Ency. Brit. vi. p. 405.—Fen. Brit. Zoot. iv. pi. 43, fig. 17—Linn. Tr. viii. p. ovalis, Don. Brit. Sh. pi. 89. Fig. 3. UNIO Batav.^. Unio Batava, Lam. Syst. vi. partie 1, p. 77- Mva Batava, Linn. Trans, viii. p. 37—Brown in Ency. Brit. vi. p. 405. Mya pictorum, Bon. Brit. Sh. pi. 174—Mont. Test. Brit. p. 36. Fig. 4. UNIO ovATA. Unio ovata. Browns MSS. Unio pictorum. Lam. Syst. vi. partie 1, p. 77- Mya ovata, Li7in. Trans, viii. p. 39—Brorvn in Ency. Brit. vi. p. 405. Mya depressa, Don. Brit. Sh. pi. 101 and 122, fig. 1, 3. FILATIIE


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Keywords: ., bookauthorbrownthomas17851, bookcentury1800, booksubjectmollusks