128 BULLETIN NO. 30, UNITED STATES NATIONAL MUSEUk. 



44. 



White, 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, lb75. 



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

 covers, or repaying. 



An affirmative opiuion is expressed. 



45. 



White, C. A. The Great Western Exploring Parties and their Progress. <[ Boston 

 Daily Advertiser (nevrspaper), vol. 126, No. 91. Boston, October 15, 1875. 



This is the first of a series of throe articles written from the field. This one was written 

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

 the arid region surveyed into irregular-shaped ranches, and not by the rectangular 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. 



White, 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 three articles written from the field. This was written 

 from Koi'tbern Utah, describing the animals of that region. 



48. 



White, 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 Geograi^hical and Geological Explorations 

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

 Corps of Engineers, U. S. Army. 4to. vol. iv. jjart i, Paleontology. pi>. 1-219, 

 pis. i-xxi. Washington, 1875. 



Same. Washington : Government Printing Office, 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 different imprint upou the back. 



This report comprises descriptions and illustrations of fossils and some general ob.servations 

 upon the periods wliicli tliey represent. One hundred and seventy-live species .are described 

 and illustrated, fiom the Trimordial, Silniiiiu, Carboniferous, Jurassic, Cretaceous, and Ter- 

 tiary rocks, the niajoiity of wiiicli were fornu^rly known. A few, however, are hei'eiu de- 

 scribed for llio first time, but the now forms of these collections were mostly described in the 

 l>reliuiini\,ry ropoi't (Kutry No. 43). The genus Lispodoithes is here proposed. 



LOWER SILURIAN AGE. 



ritlMOUlJIAT, I'KKIOD. 



Flantce. 

 Oryptogamia, 

 Thallogenes. 



Cruziana, d'Orbigny, 1842 32 



O. linnarsaoni, White, 1874, pi. i, figs. 2 Or-c 32-33 



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



