26 BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1906-1907. 
Berkey, Charles P. 
205. Paleogeography of Saint Peter time. — Geol. Soc. America, Bull., vol. IT, 
pp. 229-250, 1 pi., tigs., 1906. 
Discusses the general character, distribution, and stratigraphic position of the Saint 
Peter sandstone, the textural structure and origin of the material, and the paleo- 
geography of Saint Peter time. 
206. Notes on the preglacial channels of the lower Hudson Valley as re- 
vealed by recent borings. — Abstract: Science, new ser., vol. 24, p. 691, November 
80, 1906. 
207. Structural and stratigraphic features of the basal gneisses of the 
Highlands.— New York State Mus., Bull. 107, pp. 361-378, 1 pi., 1 fig., 1907. 
208. Interpretation of certain interglacial clays and their bearings upon 
measurement of geologic time. — Abstract : New York Acad. Sci., Annals, vol. 
17, pt. 3, p. 574, 1907. 
209. Palaeography of North America during mid-Ordovicic time (illustrated 
by maps, diagrams, and lantern views). — Abstract: New York Acad. Sci., An- 
nals, vol. 17, pt. 3, p.- 591, 1907. 
The geology and petrography of the Goldfield mining district, Nevada. — See 
Hastings and Berkey, no. 1091. 
Berry, Edward W. 
210. Isolation and evolution. — Science, new ser., vol. 23, p. 34, January 5, 
3906. 
Includes notes on the distribution of Cretaceous plants. 
211. A note on mid-Cretaceous geography. — Science, new ser., vol. 23, pp. 
509-510, March 30, 1906. 
212. Fossil plants along the Chesapeake and Delaware canal. — New York 
Bot. Garden, Jour., vol. 7, pp. 5-7, 1906. 
Describes a locality in Delaware from which Cretaceous fossil plants have been col- 
lected. 
213. A brief sketch of fossil plants. — New Jersey Geol. Survey, Ann. Kept. 
State Geol. for 1905, pp. 97-133, 8 figs., 1906. " 
214. The flora of the Cliffwood clays. — New Jersey Geol. Survey, Ann Kept. 
State Geol. for 1905, pp. 135-172, 8 pis., 1906. 
Discusses the occurrence, character, and relations of the Magothy formation in which 
the flora considered is found, gives lists of species from different localities and descrip- 
tions of new species. 
215. Living and fossil species of Comptonia. — Am. Naturalist, vol. 40, pp. 
485-524, 4 pis., July, 1906. 
Discusses the geologic succession of forms of Comptonia and its characters, and gives 
descriptions of the species with critical notes upon them. 
216. Contributions to the Mesozoic flora of the Atlantic coastal plain. I. — 
Torrey Bot. Club, Bull., vol. 33, no. 3, pp. 163-182, 3 pis., March, 1906. 
217. Pleistocene plants from -Virginia. — Torreya, vol. 6, no. 5, pp. 88-90, 
May, 1906. 
218. Leaf-rafts and fossil leaves.— Torreya, vol. 6, no. 12, pp. 246-248, 1 
fig., December, 1906. 
219. Coastal-plain amber. — Torreya, vol. 7, no. 1, pp. 4-6, January, 1907. 
Gives notes on the occurrence of amber, more particularly in Cretaceous beds. 
220. A Tilia from the New Jersey Pleistocene. — Torreya, vol. 7, no. 4, pp. 
80-81, April, 1907. 
221. Contributions to the Mesozoic flora of the Atlantic coastal plain. — 
Torrey Bot. Club, Bull., vol. 34, no. 4, pp. 185-205, 6 pis., April, 1907. 
