DONS. _ DU 4 NOVEMBHE 1889 AU 3 FEVRIER 1890 33 



— Geological and Ncitiiral History Survey of Canada. 

 Contributions to tlie Micro-Palaeontology of tlie Cambro-Silu- 



rian Rocks of Canada. Part. 11. 



E. 0. Ulrich: On some Polyzoa (Bryozoa) and Ostracoda from the Canibro-Silu- 

 rian rocks of Manitoba, p. 27-57. 2 pi. 



Cartes : 1/253 440, 1884. 



Prince Edward Island. 3 f. — Province of New-Brunsw^ick. 1 f. 



— Province of Québec. 6 f . — Province of Nova-Scotia. 24 f. 



Espagne. — Madrid. — Anales de la Sociedad Espafiola de 

 Historia Natural. Vol. XVlll, n° 2, 1889. 



Meyer : El Succino de origen espanol, p. 301-312. — Quiroga : Observaciones geo- 

 lôgicas hechas en el Sahara occidental, p. 313-336. 



Etats-Unis. — Washington. — Monographs of the U. S. Geologi- 

 cal Survey. 

 Vol. XIII. 1888. 



G. F. Becker : Geology of the Quicksilver Deposits of the Pacific Slope, 486 p. 7 pi., 

 avec atlas in-folio de 14 pi. 



Vol. XIV. 1888. 



J. s. Newberry : Fossil fishes and fossil plants of the Triassic rocks of New Jersey 

 and the Connecticut Valley, 95 p., 26 pi. 



— Bulletin of the U. S. Geological Survey. 



Nos 48, 1888. 



R. S. Woodward : On the form and position of the sea level. 88 p. 



Nos 49-53, 1889. 



R. S. Woodward : Latitudes and longitudes of certain points in Missouri, Kansas, 

 and New Mexico. 133 p. — Id. Formulas and tables to facilitate the construction and 

 use of maps. 124 p. — Ch. A. White : On invertebrate fossils from the Pacific coast. 

 102 p., 14 pi.— Israël Gook Russel : Subaërial decay of rocks and origin of the redcolor 

 of certain formations. 65 p. — N. S. Shaler : The Geology of Nantucket. 55 p., 11 pi. 



New-Haven. — The American Journal of Science. 

 Vol. XXXVIII, nos 227, 228. 1889. 



E. 0. Hovey : Observations on some of the Trap Ridges of the East Haven-Branford 

 Région, p. 361-383, 1 carte. — F. W. Clarke : Theory of the Mica Group, p. 384-392. 



— W. S. Yeates : Pseudomorphs of Native Cooper after Azurite, fi'om Grant County, 

 New Mexico, p. 405-407. — G. A. Whiste : Lower Cretaceous of the Southwest and its 

 relation to the underlying and overliyng formations.p. 440-445. — W. H. Dali : Hinge 

 of Pelecypods and its Development, with an attempt toward a better subdivision of 

 the group. p. 445-462. — R. T. Hill et R. A. F. Penrose jun.: Relations of the Uppermost 

 Cretaceous Beds of the Eastern and Southern United States, p. 468-474. — W. E. 

 Hidden et J. B. Mackintosh : Description of several Yttria and Thoria Minerais from 

 Llano Gounty, Texas, p. 474-486. — 0. G. Marsh : SkuU of the Gigantic Ceratopsidae. 

 p. 501-506, 1 pi. 



XVIII Supplément au Bulletin de la Soc. Géol. de France. c 



