weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1898. 1 1 9 
Costa Rica. 
Eastern section of Costa Rica, Sjogren, No. 
703. 
Fossil corals, Vaughan, No. 831. 
Geological history of Panama and Costa Rica, 
Hill, No. 352. 
Igneous rocks from Costa R(pa, Wolff, No. 
928. 
Paleontology of collections, Dall, No. 186. 
Cretaceous. 
Classification. 
Transition beds from Comanche to Dakota, 
Gould, No. 308. 
Upper Cretaceous of Kansas, Adams, No. 7. 
Correlation. 
Upper Cretaceous formations, Clark, No. 152. 
Greenland. 
Cretaceous series of Greenland, "White and 
Schuchert, No. 872. 
Canada. 
Cretaceous of Athabasca River, Tyrrell, No. 
786. 
Atlantic coast region. 
Administrative report, Smock, No. 715. 
Age of Amboy clay series, Hollick, No. 372. 
Coastal plain of Maryland, Shattuck, No. 696. 
Collections of N. T. State Museum, Merrill, 
No. 547. 
Cretaceous clay marl, Hollick, No. 370. 
Cretaceous fossils in the Eocene, Bagg, No. 24. 
Geological notes, Hollick, No. 369. 
Marine Cretaceous at Norfolk, Darton, No. 195. 
Notes on Block Island, Hollick, No. 367. 
Surface geology, Salisbury, No. 682. 
Upper Cretaceous formations, Clark, No. 152. 
Mississippi Valley. 
Geological occurrence of clays, Keyes, No. 415. 
Geology of Delaware County, Calvin, No. 123. 
Geology of Guthrie County, Bain, No. 34. 
Geology of Plymouth County, Bain, No. 37. 
Minnesota so-called Cretaceous deposits, Sar- 
deson, No. 685. 
Great Plains region. 
Cone-in -cone, Harnly, No. 333. 
Geological reconnaissance in Oklahoma, Ad- 
ams, No. 10. 
Kansas physiography, Beede, No. 67. 
Mentor beds, Jones, No. 395. 
Transition beds from Comanche to Dakota, 
Gould, No. 308. 
Underground waters of Nebraska, Darton, 
No. 194. 
Upper Cretaceous of Kansas, Adams, No. 7. 
Rocky Mountain region. 
Belly River horizon, Knowlton, No. 453. 
Cycad horizons in Rocky Mountains, Marsh, 
No. 525. 
Geology of Albuquerque, Herrick, No. 340. 
Geology of Aspen mining district, Spurr, 
No. 739a. 
Geology of San Pedro anil Albuquerque dis- 
tricts, Herrick, No. 343. 
Reconnaissance in northwestern South Da- 
kota, Todd, No. 770. 
Section along Rapid Creek, Todd, No. 769. 
Cretaceous — Continued. 
liocky Mountain region— Continued. 
Upper Cretaceous section, Spencer, No. 724. 
White River bad lands, Todd, No. 773. 
Southwestern region. 
Cement materials of Arkansas, Branner, No. 
96. 
Couches a Rudistes, Douville, No. 238. 
Nueces folio, Hill and Vaughan, No. 357. 
Texas oil horizons, Dumble, No. 241. 
Pacific coast region. 
Geology of southern coast ranges, Fairbanks, 
No. 262. 
Roseburg folio, Diller, No. 235. 
Cuba. 
Cuba, Hill, No. 353. 
Mineral resources of Cuba, Cabrera, No. 117. 
[Mineral resources of Cuba], D'Invilliers, No. 
236. 
Raised shore lines, Hershey, No. 345. 
Devonian. 
Nomenclature and classification. 
Geology of Erie County, Grabau, No. 312. 
Hamilton and Chemung series of New York, 
Prosser, No. 642. 
Correlation. 
Fauna of black shale, Girty, No. 299. 
Ithaca and Portage groups, Clarke, No. 155. 
Canada. 
Geology of southwest Nova Scotia, Bailey, 
No. 30. 
New England. 
Holyoko folio, Emerson, No. 258. 
New York. 
Collections of New York State Museum, Mer- 
rill, JSo. 547. 
Devonian shales, Ries, No. 659. 
Geological conditions at Portage, Clarke, No. 
154. 
Geology of Erie County, Bishop, No. 80. 
Geology of Erie County, Grabau, No. 312. 
Geology of Onondaga County, Luther, No. 505. 
Geology of Orange County, Ries, No. 658. 
Geology of Seneca County, Lincoln, No. 490. 
Hamilton and Chemung series of New York, 
Prosser, No. 642. 
Ithaca and Portage groups, Clarke, No. 155. 
Siluro-Devonian contact in western New 
York, Grabau, No. 311. 
Stratigraphic position of Portage sandstones, 
Luther, No. 504. 
Appalachian region. 
Geology of Massanutton Mountain, Spencer, 
No. 723. 
London folio, Campbell, No. 129. 
Richmond folio, Campbell, No. 128. 
Tazewell folio, Campbell, No. 127. 
Mississippi Valley. 
Corniferous rocks of Ohio, Bownocker, No. 94. 
Devonian crinoids and blastoids, Weller, No. 
86J. 
Fucoids or coprolites, Udden. No. 789. 
Geological formations of Cap-au-gres uplift, 
Keyes, No. 431. 
Geological occurrence of clays, Keyes, No. 415. 
