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Published online by Cambridge University Press: 01 May 2009
The species Nautilus robustus was founded by Dr. Foord and myself upon three examples in the British Museum collection, bearing respectively the register numbers 37,010, 37,005, and C. 1,944.
page 342 note 1 Foord, A. H. & Crick, G. C.: Ann. & Mag. Nat. Hist., ser. vi, vol. v (1890), p. 271, fig. 5.Google Scholar
page 342 note 2 Mr. Buckman tells me that this is “perhaps the Nautilus obesus mentioned in ‘Geology of Cheltenham,’ ed. 2, p. 40.”
page 343 note 1 In regard to this specimen Mr. Buckman writes me as follows: “The label is one of my father's; the writing on it is very similar to his. Many specimens in the Museum were presented by my father, and it is therefore quite likely that he collected this specimen himself.”
page 345 note 1 Hyatt, A., “Phylogeny of an acquired characteristic”: Proc. Amer. Philos. Soc., vol. xxxii, no. 143 (08, 1894), p. 430.Google Scholar
page 345 note 2 One side of the fossil is broken away, so that the thickness can only be estimated.
page 345 note 3 “Le type normal du Toarcien de Normandie se trouve aux environs d'Évrecy, de la Caine et de Curcy, où la zone à Am. spinatus supporte une argile dite à Leptœna, c'est-à-dire à petits brachiopodes d'aspect paléozoique, Koninckella, Cadomella, etc.” (Lapparent, Traité de Géologie, 4me ed., 1900, tom. 2, p. 1089.)
page 345 note 4 The umbilicus is filled with matrix.