BIBLIOGRAPHY. 593 



Charles D. Walcott. [Report on the] Dep artment of Invertebrate Fossils, Paleo 

 zoic [in the National Museum, 1884]. 



Report Smithsonian Institution, 1884, II (1886), pp. 203-214. 



Charles D. Walcott. Classification of the Cambrian system of North America. 



Amer. Jour. Sci., xxxili, art. xvi, August, 1866, pp. 138-157, 9 figures. 

 Charles D. Walcott. Cambrian age of the Roofing Slates of Granville, Washing- 

 ton County, New York. 



Proc. Amer. Assoc. Adv. Sci., Buffalo meeting, August, 1886. (One page extract.) Salem 

 Press, December, 1886. 



Charles D. Walcott. The Taconic System. 



Amer. Jour. Sci., xxxili, February, 1887. (One page extract.) 



Lester F. Ward. [Report on the] Department of Fossil Plants [in the U. S. National 

 Museum, 1884]. 



Report Smithsonian Institution, 1884, n (1886), pp. 219,220. 



Lester F. Ward. Broadening the Way to Success. 



The Forum, New York, II, December, 1886, pp. 340-350. 



Condensed from a lecture delivered at tbe National Museum, May 1, 1886, on "Heredity 

 and Opportunity." It is argued that undue attention is paid to genius and too little to the 

 extension of equal opportunities to all. 



Lester F. Ward. The Use and Abuse of Wealth. 



The Forum, New York, n, February, 1887, pp. 549-558. 



Some of the ways in which persons of ample means might profitably employ it are pointed 

 out, and the use of wealth as an aid to thorough and efficient work is suggested as a partial 

 solution of the question of restricting fortune. 



Lester F. Wakd. Science and Immortality. 



The Christian Register, Boston, lxvi, April 7, 1887, pp. 211, 212. 



Contribution to a " Symposium " of scientific men on the subject of the title. The article 

 was copied in Public Opinion, Washington, in, April 16, 1887, and the Symposium has since 

 been issued in pamphlet form. 



Lester F. Ward. The Immortality that Science teaches. 



The Open Court, Chicago, I, May 26, 1887, pp. 199-201. One of the propositions contained in 

 the preceding contribution is here more fully expanded. 



Lester F. Ward. False notions of Government. 



The Forum, New York, in, June, 1887, pp. 364-372. 



Some of the current fallacies respecting the powers and duties are exposed in this article and 

 tbe direction in which state functions should be enlarged is pointed out. 



Lester F. Ward. Administrative Report to the Director of tbe U. S. Geological 

 Survey of the operations of the Division of Paleobotany for the year ending June 

 30, 1885. 



Sixth Annual Report of the Zf. S. Geological Survey, 1884-'85. Washington, 1885, issued June, 

 1887, pp. 81-85. 



Lester F. Ward. Synopsis of the Flora of the Laramie Group. 



Sixth Annual Report of the U.S. Geological Survey, 1884-'85. Washington, 1885. Extras, 

 Washington, 1886, issued June 1887, pp. 399-557, pis. xxxi-lxv. 



Contains an historical review of opinion relative to the age, the nature and extent of the 

 groups and of the vegetation of tbe Laramie Group, an extensive table of distribution of Lara- 

 mie, Devonian, and Eocene plants, and a thorough discussion of the same. Concludes with a 

 report upon recent collections from the Laramie Group, especially the results of the author's 

 personal studies in Colorado and Wyoming, in 1881, and on the Lower Yellowstone and Upper 

 Missouri (Fort Union Group) in 1883, still in process of elaboration, giving a list of 140 spe- 

 cies identified at that date, 85 of which were now to science. These 140 species are illustrated 

 on 35 double plates, containing 409 figures, by the photo-engraving process. No descriptions 

 nor discussions of the botanical affinities of these fossil plants accompany the list of names and 

 illustrations, these being reserved for the publication described under the next title. 



Lester F. Ward. Types of the Laramie Flora. 



Bull, of the TJ. S. Geological Survey, No. 37, 354 pages, 57 double plates, 8vo, Wash- 

 ington, 1887. 



The figures published in the "Synopsis of the Flora of the Laramie Group" (see last 

 title) are hero reproduced on smaller plates, and are preceded by 115 pages of letter-press 

 devoted to their thorough systematic description, with synonomy and full discussiou of Ui« 

 relationships of the species. 



U. Mis. 600, pt. 2 38 



