weeks] PALEONTOLOGY, PETROLOGY, AND MINERALOGY, 1901. 55 
453 Knowlton (Frank Hall). [Report on the flora of the Mascall for- 
mation, Oregon.] 
Univ. of Cal., Dept. of Geol., Bull., vol. 2, pp. 308-309, 1901. 
Gives list of fossils collected. 
£54 Report on fossil wood from the Newark formation of South 
Britain, Connecticut. 
U. S. Geol. Surv., 21st Ann. Rept., Pt. Ill, pp. 161-162, 1901. 
Briefly describes material. 
455 Kiimmel (Henry B.). Report on Portland cement industry. 
[New Jersey.] 
N. J. Geol. Surv., Ann. Rept. for 1900, pp. 9-101, pis. 1-11, figs. 1-33, 
1901. 
Describes the composition of Portland cement, and the character and 
occurrence of the lower Paleozoic rocks from which the materials are 
derived. Includes detailed descriptions of localities. 
456 The mining industry. [New Jersey.] 
N. J. Geol. Surv., Ann. Rept. for 1900, pp. 197-217, 1901. 
Contains statistics and notes on iron, zinc, and copper. 
457 and Weller (Stuart). Paleozoic limestones of Kittatiny Val- 
ley, New Jersey. 
Geol. Soc. Am., Bull., vol. 12, pp. 147-161, 1901. 
Abstract: Science, new ser., vol. 13, p. 134, 1901. 
Describes the lithologic and faunal characters of the subdivisions of 
the Cambrian and Ordovician series and the structure of the region. 
458 Kunz (George F.). Des progres de la production des pierres 
precieuses aux Etats-Unis. 
Int. Cong. Geol., Compte Rendu, viii session, pp. 393-395, 1901. 
459 Laflamme (J. C. K.). Modifications remarquables causees a 
PEmbouchere de la Riviere Ste-Anne par l'eboulement de 
St-Alban. 
Can. Roy. Soc, Proc. and Trans., new ser., vol. 6, sect. 4, pp. 175-177, 
1900. 
460 Eboulement a Saint-Luc-de-Vincennes, Riviere Champlain, 
le 21 Septembre, 1895. 
Can. Roy. Soc, Proc. and Trans., new ser., vol. 6, sect. 4, pp. 17 ( .' 186, 
1 fig., 1900. 
461 Lakes (Arthur). The American Nettie [Colorado]. 
Mines and Minerals, vol. 21, pp. 241-245, 5 figs., 1901. 
Describes the geology of the region and the occurrence of ores in cave 
deposits. 
462 Cripple Creek [Colorado]. 
Mines and Minerals, vol. 21, pp. 276-280, 7 figs., L901. 
Describes volcanic rocks and phenomena of the region. 
