[E37]

Sillimans Journ. Vol 47 p. 247. Prof H. D. Rogers Address to Assoc. of Am. Geolog. remarks on how scanty are the records of the Secondary periods between chalk & Coal in N. America compared with Europe.

Silliman's Journal vol 47 p. 259 H. Rogers Address In some surface deposits of Indiana, an Helicana, now rare in the middle latitudes, is found in greater profusion: this also underlies the Mastodon &c also) The Gnathodon, now found in Mexican Gulf, but not found in the States is associated with Elephant &c &c so that warmer a little, when these animals lived.

(p. 265) continuous southern margin of Drift reaches to Long Isld & Northen Pennsylvania & on West to the Ohio river

p. 277. {I shall quote a passage from Prof. Rogers, in my S. American volume on his false view of perfection of Geological Records.

[Henry, D. Rogers. 1844. Address delivered at the meeting of the Association of American Geologists and Naturalists, held in Washington, may, 1844. American journal of science and arts, vol. 47: 247-278.]

Coprolites found in Bird Nests 37 or 27 species (strange forms not like any recent bird (Prof. Hitchcock on Ichnolithology)

p. 307 fears terms ornithoidichnites & Saurodichnites convey an impression of a wider distinction than exists between them: "for in fact they pass insensibly into each other."!!!

[Edward Hitchcock. 1844. Report on Ichnolithology, or fossil footmarks, with a description of several new species, and the coprolites of birds, etc. American journal of science and arts, vol. 47: 292-322.]