Geology and Mineralogy. 241 



Monograph. XXIX. The Eocene and Lower Oligocene Coral 

 Faunas of the United States, with Descriptions of a Few 

 Doubtfully Cretaceous Species, by T. Wayland Vaughan. 

 263 pp., 24 pi. [To be noticed later.] 



Bulletins — 



163. Flora of the Montana formation, by Frank Hall Knowlton. 



118 pp., 19 pi. 



164. Reconnaissance in the Rio Grande Coal Fields of Texas, 

 by Thomas Wayland Vanghan, including a Report on 

 Igneous Rocks from the San Carlos Coal Field, by E. C. E. 

 Lord. 100 pp., 11 pi. and maps. 



165. Contributions to the Geology of Maine, by Henry S. Wil- 

 liams and Herbert E. Gregory. 212 pp., 14 pi. 



166. A Gazetteer of U~tab, by Henry Gannett. 43 pp., 1 map. 



167. Contributions to Chemistry and Mineralogy from the Lab- 

 oratory of the United States Geological Survey; Frank 

 W. Clarke, Chief Chemist. 308 pp. 



168. Analyses of Rocks, Laboratory of the United States Geol- 



ogical Survey, 1880 to 1899, tabulated by F. W. Clarke > 

 Chief Chemist. 308 pp. 



169. Altitudes in Alaska, by Henry Gannett. 13 pp. 



170. Survey of the Boundary Line between Idaho and Montana 

 from the International Boundary to the Crest of the Bit- 

 terroot Mountains, by Richard Urquhart Goode. 67 pp., 

 14 pi. 



171. Boundaries of the United States and of the Several States 



and Territories, with an Outline of the History of all 

 Important Changes of Territory (Second Edition), by 

 Henry Gannett. 142 pp., 53 pi. 



172. Bibliography and Index of North American Geology, 

 Paleontology, Petrology, and Mineralogy for the Year 

 1899, by Fred Boughton Weeks. 141 pp. 



173. Synopsis of American Fossil Bryozoa, including Bibli- 

 ography and Synonymy, by John M. Nickles and Ray S. 

 Bassler. 663 pp. 



174. Survey of the Northwestern Boundary of the United States, 



1857-1861, by Marcus Baker. 78 pp., 1 pi. 

 .175. Triangulation and Spirit Leveling in Indian Territory, by 



C. H. Fitch. 141 pp., 1 pi. 

 176. Some Principles and Methods of Rock Analysis, by W. F. 



Hillebrand. 114 pp. w. 



3. Geological Survey of Michigan. Alfred C. Lane, State 

 Geologist. Vol. vii, Part III ; Geological report of Sanilac 

 County, Michigan ; by C. H. Gordon. Pp. 1-34, 5 Plates, 2 

 figures. 1 900. — The rocks met with in Sanilac County, together 

 with those of Monroe and Huron Counties, described in parts I 

 and II, represent all the lormations of the lower Peninsula 

 although these counties are situated in the southeast corner of 

 the State. Part I, vol. viii ; Clays and Shales of Michigan, their 

 Properties and Uses ; by H. Ries. Pp. 67, with four plates. 



