VEEKS.] 
PETROLOGY, AND MINERALOGY FOR 1892-1900. 
127 
Maryland— Continued. 
Cretaceous fossils in the Eocene, Bagg, 147. 
Cumberland, Md., to the Ohio River, White, 
I. C, 6057. 
Cycadean trunks in the Potomac formation, 
Ward, 5845. 
Eocene deposits of Atlantic Slope, Clark, 906. 
Eocene deposits of Maryland and Virginia, 
Harris, 2306. 
Eocene fauna of the Atlantic Slope, Clark, 
904. 
Epidote as a primary constituent of eruptive 
rocks, Keyes, 3054. 
Eruptives, metamorphosed, Hobbs, 3628. 
First geological excursion along Chesapeake, 
Mathews, 3739. 
Form of fissure walls, Glenn, 2043. 
Formation of sandstone concretions, Merrill, 
G. P., 3950. 
Fossil cypress swamp, Bibbins, 441. 
Fossil tracks in the Newark system, Mitchell, 
4018. 
Fredericksburg folio, Va.-Md., Darton, 1307a. 
Gabbro in Maryland, quartz-bearing, Grant, 
2105. 
Geological excursions of 1895. (lark, 902. 
Geology and physical feature- of .Maryland, 
Williams and Clark, 6165. 
[Geology of Maryland], Clark, W. B., 396 
[Geology of Maryland] , Williams, G. EL, 6160. 
Geology of Washington and vicinity, McGee, 
etc., 3858. 
Granites, Maryland, Keyes. 3053. 
Granites <>f Cecil County, Grimsley. 2185. 
Granitic rocks in the Piedmont plateau. Wil- 
liams, G. H., 6166. 
Gold mining in southern Appalachians, Nitze 
and Wilkens, 4112. 
Gold miningin the Appalachians, Nitze and 
Wilkens, 4109. 
Harpers Ferry folio, Keith, 2958. 
McHenry formation, I'liler, 5527. 
Magothy formation, Darton, 1297. 
Map of Alleghany County, Md.. Prosser, 
4501b. 
Maps and map makers of Maryland. Matheu s, 
3738. 
Maryland building stones, Mathews, 3737. 
Maryland granites, Keyes, 3117. 
Minerals from Jones Falls, Powell, S. L.. 1431. 
Mineral resources of Alleghany County, < Mark. 
O'Harra, Rowe, and Ries, 920. 
Nomini folio, Darton, 1314. 
Origin and relations of Maryland granites, 
Keyes, 3070. 
outline of physical features, Clark, '.•r_'. 
Paleontology of Potomac formation, Bibbins, 
439. 
Physiography of Alleghany County, Md., 
Abbe, 4. 
Physiography of Maryland, Abbe, 3. 
Piedmont folio, Darton and Taff, 1318. 
Potomac and Roaring Creek coal fields, 
Weeks, 618. 
Potomac group in Maryland, Clark and Bib- 
bins, 913. 
Potomac River section of the Eocene, Clark, 
907. 
Maryland— Continued. 
Properties of building stones, Merrill, 3962. 
Protozoa from the Eocene deposits, Bagg, 145. 
Relations of Maryland topography, climate, 
and geology, Clark, 917. 
Secular decay of granite rocks, Keyes, 3076. 
Shenandoah limestone and Martinsburg 
shale, Prosser, 4501. 
Short excursions, reports on, Williams, G. H., 
and Clark, W. B., 6156. 
Terrace cutting of the Potomac, Abbe, 2. 
Upper Cretaceous formations, Clark, 910. 
Volcanic rocks of South Mountain, Williams, 
G. H., 6155. 
Washington to Cumberland, Williams, G. H., 
6162. 
Massachusetts. 
Acid pegmatite in diabase, Jaggar, 2876. 
Augite-syenite and nepheline syenite, Sears, 
4904. 
Beach cusps, Jefferson, 2904. 
Biotite-tinguaite dike, Eakle, 1587. 
Biotite-tinguaite dike rock, Sears, 4904b. 
Bivalve from Connecticut River Trias, Emer- 
son, 1682. 
Blue Hills complex, Crosby, 1166. 
Boston basin, geology of, Crosby, 1152. 
Boston basin, Massachusetts, Tilton, 5390. 
Bowlders, Barton, 267. 
Bowlders. Wells, D. A.. 6007. 
Building and road stones, Whittle, 6124, 6125. 
Cambrian fossils from Cohasset.Walcott, 5777. 
Cambrian fossils in Neocene gravels, Wood- 
worth. 6443. 
Cambrian terranes of Boston basin, Grabau, 
2092. 
Carboniferous bowlder train, Fuller, 1900. 
Carboniferous fossils in Norfolk County basin, 
W Iworth, 6447. 
Carboniferous fossils in the Narragansett 
basin. Fuller, 1898. 
Changes in shore line of Nantucket, Barnard, 
255. 
Clays of Massachusetts, Whittle, 6123. 
Continental phenomena illustrated by ripple 
marks, Dodge, 1521. 
Cretaceous at Gay Head. Uhler, 5526. 
Cretaceous at Gay Head, White, D., 6039. 
Diabase pitchstone and mud inclosures in 
Triassic trap, Emerson, 1674. 
Differential faults, Hobbs, 2640. 
Disintegration and decomposition of diabase, 
Merrill, 3951. 
Dislocations in the Atlantic Coastal Plain 
Hollick, 2680. 
[Dislocations of the Cretaceous and Tertiary 
rocks of Marthas Vineyard] , Shaler, 4925. 
Drift, inequality of distribution of englacial, 
Upham, 5550. 
Drurnlins near Boston, Upham, 5566. 
Elements in sand-plain formation, Fuller, 
1903. 
Epidote and its optical properties, Forbes, 
1870. 
Eruptive dike near Manchester, Pearce, 4269. 
Eskers of New England, Wood worth, 6449. 
Eskers, subglacial origin of, Davis, 1349. 
