Annual report of the Regents . A point that impresses itself on ones notice is the abrupt changein color which often takee place in the clays of the Staten IslandCretaceous, the same bed at one place being brilliantly colored byiron, while only a few feet from it the clay may be perhaps black,or even nearly pure white. The Cretaceous age of the Staten Island clays has been clearlydemonstrated by the many specimens of leaves described by DrArthur Hollick from these bedfe. {See Paleontology of the Cre-taceous formation on Staten Island, Trans. N. Y. acad. sci. : 96-104, pi. 1-4. Additions


Annual report of the Regents . A point that impresses itself on ones notice is the abrupt changein color which often takee place in the clays of the Staten IslandCretaceous, the same bed at one place being brilliantly colored byiron, while only a few feet from it the clay may be perhaps black,or even nearly pure white. The Cretaceous age of the Staten Island clays has been clearlydemonstrated by the many specimens of leaves described by DrArthur Hollick from these bedfe. {See Paleontology of the Cre-taceous formation on Staten Island, Trans. N. Y. acad. sci. : 96-104, pi. 1-4. Additions to the paleobotany of the Cre-taceous formation on Staten Island, Ihid. 1892. 12 : 28-39;1-4. Additions to the paleobotany of the Cretaceous formationon Staten Island, no. 2, Annals N. Y. acad. sci. 11: 415-30) In the last of these papers Dr Hollick states that it was previouslytaken for granted that the clays on Staten laland were continuous 1 N. J. geol. sur. 1878. G. H. Cook. Clays of New Jersey. Plate 18 To face page 611. A. Hollick. del. Cretaceous plant impressions from the Staten Island clays. 1 Rhamnus Rossmassleri, Ung. Tottenville. 2 Thinfeldia Lesquereuxiana, Heer. Princes Bay. 3 Pterospermites modestus, Lasq. Tottenville. 4 Laurus plutonia, Heer. Tottenville. 5 Myrsine elongata, Newb. Arrochar. G Protaeoides daphnogenoldes, Heer. , 8 Tricalycites papyraceus, Newb. Eucalyptus Geinitzii, Heer. Myrica longa, Heer. Arrochar. Plate 19 To face page 611 J IV- .y vV^


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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience