192 A CENTURY OF SCIENCE 



The Germans have been assiduous observers of detail; 

 preeminent as systematizers and classifiers, seldom orig- 

 inators. Even petrology, which might be regarded as 

 their especial field, was transplanted from Great Britain. 

 In the science of mountains they have followed in their 

 fundamental ideas especially the French. 



Turning to the mediums of publication through which 

 this progress of knowledge in earth structures has been 

 recorded, the American Journal of Science stands fore- 

 most as the only continuous record for the whole century 

 in American literature, fulfilling for this country what the 

 Quarterly Journal of the Geological Society has done for 

 Great Britain since 1845, and the Bulletin de la Societe 

 Geologique for France since 1830. 



Notes. 



1 H. D. Eogers, Geology of New Jersey, Final Eeport, p. 115, 1840. 



2 H. D. Rogers, Geology of Pennsylvania, vol. 2, pt. II, pp. 761, 762, 1858. 



'Connecticut Academy of Arts and Sciences, 1810; quoted by G. P. 

 Merrill in Contributions to the History of North American geology, Ann. 

 Ept. Smithsonian Institution for 1904, p. 216. 



4 A Sketch of the geology, mineralogy, and scenery of the regions con- 

 tiguous to the river Connecticut; with a geological map and drawings of 

 organic remains; and occasional botanical notices, the Journal, 6, 1-86, 

 201-236, 1823; 7, 1-30, 1824. 



B Clarence King, U. S. Geol. Exploration of the Fortieth Parallel, vol. 

 1, pp. 16, 44-48, 1878. 



6 Illustrations of the Huttonian Theory of the Earth, pp. 219-238, 1802. 



'Robert Jameson, Elements of Geogno'sy, pp. 55-57, 1808. 



8 G. P. Merrill, Contributions to the History of American Geology. 

 Report of the U. S. National Museum for 1904, p. 328. 



H. D. Rogers, Geology of Pennsylvania, vol. 2, p. 916, 1858. 



10 James Hall, Natural History of New York, Paleontology, vol. 3, pp. 

 51-73, 1859. 



"The Journal, 5, 423-443, 474, 475; 6, 6-14, 104-115, 161-172, 304, 381, 

 382, 1873. 



12 C. R. Van Hise, Principles of North American Pre-Cambrian Geology, 

 U. S. Geol. Surv., 16th Ann. Report, pt. I, pp. 607-612, 1896. 



13 W. N. Rice, On the use of the words synclinorium and anticlinorium, 

 Science, 23, 286, 287, 1906. 



14 C. E. Button, Critical observations on theories of the earth's physical 

 evolution, The Penn Monthly, May and June, 1876. 



15 B. Willis, Research in China, vol. 2, 1907. 



"Joseph Barrell, Science, 39, 259, 260, 1909; Jour. Geol., 22, 672-683, 

 1914. 



17 T. C. Chamberlin, Geology, vol. 1, pp. 541, 542, 1904. 



18 W. M. Davis, The geological dates of origin of certain topographic 

 forms on the Atlantic slope of the United States, Geol. Soc. Am. Bull., 2, 

 541-542, 545-586, 1891. 



