60 DONS. — DU 3 FÉVRIER AU 28 AVRIL 1890 



Jos. Leidy : Notice of some fossil human bones, p. 9-12. — Id. : Description of 

 mainmalian remains frora a rocli crevice, p. 13-17. — Id. : Description of Vertebrate 

 remains of Peace Creek, Florida, p. 19-31. — ^Id. : Notice of some Mammalian remains 

 from the Sait Mine of Petite Anse, Louisiana, p. 33-40. — Id. : On Platygonus, an 

 extinct genus allied tothe pecaries, p. 44-50. — Id. : Remarks of the nature of 

 organic remains, p. 51-53. 



Washington. — Smithsonian Institution. U. S. National Muséum 



1889. 



Ch. D. Walcott : Descriptive notes of new gênera and species from the Lower 

 Cambrian or Olenellus Zone of North America, p. 33-46. 



Topeka. — Transactions of the 20^^ and 21*^ annual meetings of 

 the Kansas Academy of Science. (1887-88). Vol. XL 1889. 



R. Hay : Horizon of the Dacotah Lignite, p. 5-8. — E. H. S. Bailey : On the newly 

 discovered sait beds in the Ellsworth County, Kansas, p. 8-10. — J. Savage : The 

 Pink and White Terraces of New Zealand, p. 26-30. — F. H. Snow : On the discovery 

 and significance of stipules in certain dicotyledonous leaves of the Dakota Rocks, 

 p. 33-33. — R. Hay : The Geology of Kansas, p. 35-37. — E. Jameson : Geology of the 

 Leavenworth Prospect Well, p. 37-38. — R. Hay : The Triassic Rocks of Kansas 

 (résumé) p. 38-39. — F, H. Snow : The Logan County Nickel Mines, p. 39-42. — E. 

 H. S. Bailey : The Composition of Kansas Coals, p. 46-49. — G. H. Fayler and C. M. 

 Breese : Minerai Waters, p. 109-110. 



Washington. — 7*^^ annual Report of the U S. Geological Survey. 

 1885-86, by J. W. Powel, 1888. 



Report of the Director, p. 1-44. — Administrative Reports, p. 43-154. — T. C. 

 Chamberlin : The rock-scorings of the great ice invasions, p. 153-248, pi. VIII. — 

 J. P. Iddings : Obsidian Clifl, Yellowstone National Park, p. 249-295, pi. IX-XVIII. — 

 N. S. Shaler : Report on the Geology of Martha's Vineyard, p. 297-363, pi. XIX-XXIX. 

 — R. D. Irving : On the Classification of the early Cambrian and Pre-Cambrian 

 Formations, p. 365-454, pi. XXX-LI. — W. M. Davis : The Structure of Triassic 

 Formation of the Connecticut Valley, p. 435-490, pi. LU. — Th. M. Chatard: Salt- 

 making Processes in the United States, p. 491-535. — W. J. M'Gee : The Geology of 

 the head of Chesapeake Bay, p. 337-646. pi. LVI-LXXI. 



— Smithsonian Institution. Bureau of Ethnology. J. W. Powell, 

 Director. 



5«i annual report. 1883-84. 1887. 

 6tii annual report. 1884-85. 1888. 

 5 brochures diverses in-8°. 1888-89. 



Grande-Bretagne. — Londres. — Proceedings of the Royal 

 Society. Vol. XLVI. n» 284-285. 1890. 



— The Quarterly Journal of the Geological Society. Vol. XLVI. 

 leie partie, n° 181, févr. 1890. 



