'eeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1904. 95 
'eck (Frederick B.) — Continued. 
. The Atlantosaur and Titanotherium beds of Wyoming. 
Wyoming Hist. & Geol. Soc, Proc. & Coll., vol. 8, pp. 25-41, 5 pis., 1904. 
Describes a geologic excursion in this region. Includes observations on the 
geology and paleontology of Jurassic and Cretaceous strata. 
. The cement belt in Lehigh and Northampton counties of Pennsyl- 
vania. A description of the geological formations. 
Mines & Minerals, vol. 25, pp. 53-57, 6 figs., 1904. 
Describes the physiographic features and the general stratigraphy of the region 
and the character and occurrence of the cement rock. 
feet (Charles Emerson). 
Glacial and post-Glacial history of the Hudson and Champlain 
valleys. 
Jour. Geol., vol. 12, pp. 415-469, 617-660, 27 figs., 1904. 
enhallow(D. P.). 
Notes on Tertiary plants from Canada and the United States. 
Can. Roy. Soc, Trans., 2d ser., vol. 10, sect. 4, pp. 57-76, 1904. 
Describes two new species and gives notes upon the occurrence of a number of 
others in Tertiary and Pleistocene deposits. 
eppel (S. V.). 
Gypsum deposits in Ohio. 
U. S. Geol. Surv., Bull. no. 223, pp. 38-44, 3 pis., 1904. 
Describes character and distribution, economic development and geologic rela- 
tions of gypsum deposits occurring in Silurian strata of Ohio. 
1 eppel (S. V.), Orton (Edward, jr.) and. 
! The lime resources of Ohio available for Portland cement manufac- 
ture. 
See Orton (Edward, jr.) and Peppel (S. V.), 1. 
lerkins (George H.). 
Notes on the wells, springs, and general water resources of Vermont. 
U. S. Geol. Surv., Water-Supply and Irrigation Paper no. 102, pp. 73-93, 1904. 
List of works on the geolog}^ of Vermont. 
Vt. Geol. Surv., Rept. State Geol., IV, pp. 16-21, 1904. 
Mineral resources of Vermont. 
Vt. Geol. Surv., Rept. State Geol., IV, pp. 22-66, 33 pis., 1904. 
Reviews the economic resources and the mining and quarrying industries of 
Vermont. 
Geology of Grand Isle County [Vermont]. 
Vt. Geol. Surv., Rept. State Geol., IV, pp. 103-143, 33 pis., 1 fig., 1904. 
Describes the topographic and physiographic features and general geology, and 
the occurrence, character, and relations of Ordovician strata and Glacial 
deposits. 
On the lignite or brown coal of Brandon and its fossils. 
Vt. Geol. Surv., Rept. State Geol., IV, pp. 153-162, 1 fig., 1904. 
Gives a historical sketch of the investigations upon the lignite fossils. 
