[104] Rev. L. Jenyns, Observations in Nat. Hist. p. 318.
[105] Id. ib. p. 319.
[106] Further detailed examples will be found in Kew, The dispersal of Shells, pp. 5–26.
[107] P. Z. S. 1888, p. 358.
[108] W. A. Gain, Naturalist, 1889, p. 58.
[109] Das Wetter, Dec. 1892. Another case is recorded in Amer. Nat. iii. p. 556.
[110] Zoologist, x. p. 3430.
[111] Science Gossip, 1888, p. 281.
[112] Lecoq, Journ. de Conch. ii. p. 146.
[113] Bouchard-Chantereaux, Ann. Sci. Nat. Zool. (4) xvi. (1861) p. 197.