B1BLI0GRA1>HY AND NOTES 665 



No. Date. 



ritories, F. V. Hayden in charge, Bull. (vol. 1, 1st series) No. 2, 

 pp. 1-2. Washington, 1874. 



The authors refer to the coal beds in western Colorado, west- 

 ern New Mexico, and elsewhere as "of undoubted Cretaceous 

 age." 



29. 1874. Lesquebeux, Leo : On the age of the lignitic formations of the 



Rocky Mountains. 



Am. Jour. Sci., 3d series, vol. 7, pp. 546-557. 1874. 



The author discusses the age of the coal beds of New Mexico 

 and repeats his previous reference of them to the Tertiary. 



30. 1874. Loew, Oscar: A new fossil resin — "Wheelerite." 



Am. Jour. Sci., 3d ser., vol. 7, pp. 571-572. 1874. 



Resin was found in "Cretaceous lignite beds" near Nacimiento. 



31. 1874. Newberry, John S. : On circles of deposition in secondary sedi- 



mentary rock, American and foreign. 



New York Lyceum Nat. Hist., Proc, 2d series, pp. 122-124. 

 1874. 



Discussed by Wurtz and Day, ibid., pp. 124, 125. 1874. 



Brief reference is made to the Cretaceous rocks of New 

 Mexico. 



32. 1874. Newberry, John S. : (On the lignite flora of the far west.) 



New York Lyceum Nat. Hist., Proc, 2d series, pp. 78-79. 

 1874. 



The author discusses the geologic age of the coal beds of 

 northwestern New Mexico and states that marine fossils occur 

 in rocks above the coal. 



33. 1874. Newberry, John S. : On the lignites and plant beds of western 



America. 



Am. Jour. Sci., 3d series, vol. 7, pp. 399-404. 1874. 



The geologic age of the coal beds of New Mexico is discussed. 



34. 1874. Raymond, Rossiter W. : Remarks on the occurrence of anthracite 



in New Mexico. 



Am. Inst. Mining Eng., Trans., vol. 2, pp. 140-142. 1874. 



The author discusses the age of coal beds near Cerrillos and 

 the chemical character of the coal. 



35. 1874. Stevenson, John J.: (Age of Western lignite.) 



New York Lyceum Nat. Hist, Proc, vol. 2, pp. 93-94. 1874. 

 Brief reference is made to the Cretaceous coal beds of west- 

 ern Colorado and northwestern New Mexico. 



36. 1875. Cope, Edward D. : Report on the geology of that part of north- 



western New Mexico examined during the field season of 1874. 

 Geographical explorations and surveys west of the 100th 



meridian, by Wheeler, annual report. Annual Report of the 



Chief of Engineers, U. S. Army, for 1875, part II. Appendix 



LL, pp. 981-1017, plates. Washington, 1875. 



(Appendix LL is published in separate form, pp. 1-196. 1875.) 

 (Pp. 996-997) Cretaceous beds, Nos. 3 and 4, are described 



east of Sandia Mountains (near Hagan). The author's discus- 



