Geology and Natural History, 167 



1897, forming Part VI of the Nineteenth Annual Report, will 

 appear in two volumes ; the first including Metallic Products, 

 Coal and Coke, the second, Non-Metallic Products excepting 

 Coal and Coke. Separates are nearly all issued and volumes will 

 soon appear. 



Monographs : Fossil Medusae Mon. xxx, by C. D. Walcott, 

 pp. 201, pis. 47. See this Journal, December, 1898, p. 508. 



Bulletins : The Cretaceous Foraminifera of New Jersey, by 

 R,. M. Bagg, Jr. Bull. No. 88, pp. 89, pis. 6. 



Some Lava Flows of the Western Slope of the Sierra Nevada, 

 California, by F. L. Ransome, Bull. 89, pp. 7-3. See this Journal 

 for December, 1898, p. 509. 



Bibliography and Index of North American Geology, Paleon- 

 tology, Petrology and Mineralogy, by F. B. Weeks, Bull. No. 

 149," pp. 152, for 1896; Bull. 156, pp. 130, for 1897. 



The Educational Series of Rock Specimens collected and dis- 

 tributed by the U. S. Geological Survey, by J. S. Diller, Bull. 

 150 7 pp. 400, pis. 47. See this Journal, January, 1899, p. 74. 



Tlie Lower Cretaceous Gryphceas of the Texas Region, by R. 

 T. Hill and T. W. Vaughan, Bull. No. 151, pp. 138, pis. 35. See 

 this Journal, January, 1899, p. 70. 



A Catalogue of Cretaceous and Tertiary Plants of North 

 America, by F. H. Knowlton, Bull. 152, pp. 247. 



A Bibliographic Index of North American Carboniferous 

 Invertebrates, by Stuart Wheeler, Bull. No. 153, pp. 653. 



A Gazetteer of Kansas, by Henry Gannett, Bull. No. 154, pp. 

 246, with map of the State. 



Earthquakes in California in 1896 and 1897, by C. D. Perrine, 

 Bull. 155, pp. 45. 



Water Supply and Irrigation Papers : No. 12, Underground 

 Waters of a portion of Southeastern Nebraska, by N. H. Darton, 

 pp. 56, pis. 21. 



No. 13, Irrigation Systems in Texas, by W. F. Hutson, pp. 68, 

 pis. 10. 



No. 14, Tests of Pumps and Water Lifts, by O. P. Hood, pp. 

 -91, pi. 1. 



Nos. 15 and 16, Operations at River Stations in 1897, Parts I 

 and II, by F. H. Newell, pp. 200. 



No. 17, Irrigation near Bakerfield, California, by C. E. 

 Grunsky, pp. 96, pis. 16. 



No. 18, Irrigation near Fresno, California, by C. E. Grunsky, 

 pp. 94, pis. 14. 



Geologic Folios: No. 38, Butte Special, Montana, Long. 

 112° 29' 30" to 112° 36' 42", Lat. 45° 39' 28" to 46° 02' 54", by S. 

 F. Emmons and G. W. Tower, Jr. 



No. 39, Truckee, California, Long. 120° to 120° 30', Lat. 39° 

 to 39° 30', by Waldemar Lindgren. 



No. 40, Wartburg, Tennessee, Long. 84° 30' to 85°, Lat. 36° 

 to 36° 30', by Arthur Keith. 



