DONS. — 20 JUIN AU 7 NOVEMBRE 1887 21 



— Cambridge. — Memoirs of the Muséum of Comparative Zoology 

 at Harward Collège. — Vol. XVI, n°^ l et 2. 



N" 2. N. S. Shaler. — Ou the original Connection of the Eastern and Western 

 Coald-Fields on the Ohio Valley. 



— Bulletin of the Muséum of Comparative Zoology at Harvard Col- 

 lège. Vol. XIII. N«^ 4 et 5, 1887. 



No 5. W. B. Scott and H. F. Oshorn. — Preliminary Account of the fossil Mam- 

 mals from the AVhite River Formation, contained in the Muséum of Comparative 

 ' oology, 2 pi. 



San Francisco. Bulletin of the California Academy of Sciences. 

 Vol. 2, n* 7, June 1887. 

 West coast Pulmonata; fossil and living, by J. G. Gooper, p. 355. 



— Jefferson City. — The lirst and second annual Reports of the 

 Geological Survey of Missouri, in-8'', 1855, by G. C. Swallow. 



New Haven. Connecticut. The American Journal of Science. 3' s. 

 T. XXXIV. 



N" 199. Juillet 1887. 



Kilauea in 1880, by William T. Brigham, p. 19. 



Récent Explorations in the Wappinger Valley, Limeslone of Dutchers County^ 

 N. Y; by W. B. Dwight, p. 27. 



Notes on the Lower Carboniferous groups along the easterly side of the Appala- 

 chian area in Pennsylvania and the Virginias, by Prof. John J, Stevenson, p. 37. 



On the manner of Deposit of the Glacial Drift, by 0. P. Hay, p. 52. 



A new Meteoric Iron and an Iron of doubtful nature, by R. B. Riggs, p. 59. 



On an Aerolite from Rensslaer County, New- York, by S. G. A. Bailey, p. 60. 



No 200. Août 1887. 



Historyofthe changes in the Mt Loa Craters, by G. D. Dana. Part. I. Kilauea, 

 p. SI (Continued from page 451, vol. XXXIII). 



Crocidolite from Gumberland, by A. H. Chester and F. I. Gairns, p. 108. 



Studies in the Mica Group, by F. W. Clarke, p. 131. 



Serpentine (Peridotite) occurring in the Onondaga sait Group at Syracuse, N. Y., 

 by G. H. Williams, p. 137. 



Note on the Genus Archeocyathus of Billings, by Charles D. Walcott, p. 145. 



N<'201. Septembre 1887. 



Notes on the Geology of Florida, by William H. Dali, p. 161. 



Notes on the Déposition of Scorodite from Arsenical Waters in the Yellowstone 

 National Park, by Arnold Hague, p. 171. 



Fauna of the « Upper Taconic » of Emmons, in Washington County, N. Y., 

 with Plate I, by Charles D. Walcott, p. 187. 



Is there a Huronian Group? by R. D. Irving, p. 204. 



Ovibos cavifi'ons, from the Loess of lowa, by W. G. M. Gee, p. 217. 



On the Chemical Composition of Howlite, by S. L. Peiilield and E. S. Sperry, 

 p. 220. 



N" 202. Octobre 1887. 

 Is there a Huronian Group? by R. D. Irving, p. 249. 



