weeks.] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1901. 51 
412 Keith (Arthur), Darton (N. H.) and. Washington Folio, Dis- 
trict of Columbia, Maryland, Virginia. 
See Darton (N. H.) and Keith (Arthur), 200. 
413 Kemp (James Furman). The Albany meeting of the Geological 
Society of America. 
Science, new ser., vol. 13, pp. 95-100, 133-139, 1901. 
Contains abstracts of papers presented. 
414 The Cambro-Ordovician outlier at Wellstown, Hamilton 
County, New York. 
Abstract: Science, new ser., vol. 13, p. 710, 1901. N. Y. Acad. Sci., 
Annals, vol. 14, p. 103, 1901. 
Contains brief description of occurrence of small outliers of Paleozoic 
strata within the crystalline area of the region. 
415 [Review of " Clays of New York, their properties and uses " 
by Heinrich Ries.] 
Science, new ser., vol. 13, pp. 946-947, 1901. 
416 New asbestos region in northern Vermont. 
Abstract: Science, new ser., vol. 14, pp. 773-774, 1901. N. Y. Acad. 
Sci., Annals, vol. 14, p. 140, 1901. 
Describes the occurrence of asbestos associated with serpentine. 
417 Physiography of Lake George. 
Abstract: Science, new ser., vol. 14, p. 774, 1901. N. Y. Acad. Sci., 
Annals, vol. 14, pp. 141-142, 1901. 
Describes briefly the physiographic history of the region. 
418 Calculation of rock analyses. 
School of Mines Quart,, vol. 22, p. 75, 1901. 
Abstract: Am. Nat., vol. 35, p. 947 {i p.), 1901. 
419 New asbestos region in northern Vermont. 
Abstract: Am. Geol., vol. 28, p. 330 (f p.), 1901. 
Abstract of paper read before the N. Y. Academy of Sciences. 
420 Physiography of Lake George, New York. 
Abstract: Am. Geol., vol. 28, pp. 331-332, 1901. 
Abstract of paper read before the N. Y. Academy of Sciences. 
420a Notes on the occurrence of asbestos in Lamoille and Orleans 
counties, Vermont. 
U. S. Geol. Surv., Min. Res. of U. S. for 1900, pp. 862-866, 1901. 
421 and Hill (B. F.). Preliminary report on (he pre-Cambrian 
formations in parts of Warren, Saratoga, Fulton, and Mont- 
gomery counties, New York. 
N. Y. State Mus., 53d Ann. Rept., pp. rl7-r35; pis. 3-8, 1901. 
Describes the local geology of various townships of the counties named. 
