128 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUk. 



44. 



Whitk, C. a. On the Equivalency of the Coal-Measures of the United States and 

 Europe. < Proc, Amer. Ass. Adv. Sci.,23d Meeting (Hartford), 1874, pp. B, 35-38. 

 Salem, 1875. 



Same. Salem, 1875. 8vo, pp. 35-38. Thirty separates printed without title-page, 

 covers, or repaying. 



An affirmative opinion is expressed. 



45. 



Whitk, C. A. The Great Western Exploring Parties and their Progress. <^ Boston 

 Daily Advertiser (newspaiier), vol. 1*26, No. 91. Boston, October 15, 1875. 



This is the first of a series of three articles written from the field. This one was ^vTitten 

 from Southern Wyoming, describing the country, and mentioning Powell's plan for having 

 the arid region surveyed into irregtilar-shaped ranches, and not by the rectangnlar method in 

 use in the humid regions. 



46. 



White, C. A. The Far West. < Boston Daily Advertiser (newspaper), vol. 126, 

 No. 108. Boston, November 4, 1875. 



The second of a series of articles written from the field. This one is from Northern Utah, 

 describing the vegetable products of that region. 



47. 



Whitk, C. A. The Far West. < Boston Daily Advertiser (newspaper), vol. 126, 

 No. 115. Boston, November 12, 1875. 



The third and last of a series of thre(j articles written from the field. This was written 

 from Northern Utah, describing the animals of that region. 



48. 



Whitk, C. A. Report upon the Invertebrate Fossils collected in portions of Nevada, 

 Utah, Colorado, New Mexico, and Arizona, by Parties of the Expeditions of 1871, 

 1872, 1873, and 1874. < Report upon Geographical and Geological Explorations 

 and Surveys West of the 100th Meridian, iu charge of First Lieut. Geo. M. Wheeler, 

 Corps of Engineers, U. S. Army. 4to. vol. iv. part i, Paleontology, pp. 1-219, 

 pis. i-xxi. Washington, 1875. 

 Same. Washington: Government Printing OfiSce, 1875. 4to, pp. 219, and 21 plates of 

 illustrations. Two hundred and fifty separates printed and bound in paper 

 covers, and 30 copies printed and bound separately in boards for the author, with 

 a diifen;nt imprint upon the back. 



This report conipri.ses descriptions and illustrations of fossils and some general observations 

 upon tlic periods which they represent. One hundred and seventy-five species are described 

 and illustrated, from the Primordial, Siluiiau, Carboniferous, Jurassic, Cretaceous, and Ter- 

 tiary rocks, the majority of which were formerly known. A few, however, are herein de- 

 scribed for the' first time, but the new forms of these collections wore mostly described in the 

 preliminary report (Entry No. 43). The genus lAspodestheg is here proposed. 



LOWER SILUItlAN AGE. 



I'KIMOItUIAL I'ERIOD. 



PlantoB. 

 Gryptogamia. 

 Thallogenes. 



Cruziana, d'Orbigny, 1842 32 



0. iimiarMOJU, White, 1874, pi. i, figs. 2 o-c 32-33 



O.rtwtica, White, 1874, pi. i, figs. 1 a,b 33-34 



