DONS. JUILLET, AOUT ET SEPTEMBRE I904 61 



et Hayes. Contributions to Economie Geology, 527 p. — 22^ : The U. S. 

 Geol. Surv. its origin, development, organization, and opérations. 20.5 p. — 

 228 : Glarke. Analyses of Rocks from the Lal)oratory of the U. S. Geol. 

 Surv. 1880 to 1903, 375 p. — 22g : Collier. The Tin Deposits of the York 

 Région, Alaska, 61 p. 



— Water-Siipplj^ and Irrigations papers of U. S. geol. Sure,, 

 88-95, 1904- 



go : ToDD et Hall. Geology and Water Resources of part of the Lower 

 James River Valley, South Dakota, 47 P- 



— Professional papers of the U. S. geol. Siirç., 11-12, i6-23, 

 28, 1904. 



//: Ries. The Clays of the U. S. east of the Mlssissipi River, 298 p. — 

 12 : Ransome. Geology of the Globe Copper District, Arizona, 16S p. — 

 16 : GiRTY. The Carboniferous formations and Faunas of Colorado, 480 p. 

 — ly : Darton. Preliminary report on the Geology and water resources of 

 Nebraska West of the one hundred and third Meridian,69 p. — / S : Iddings. Che- 

 mical composition of Igneous Rocks, 92 p. — ig: Smith et Willis. Conti-ibu- 

 tions to the Geology of Washington, 97 p. — 20 : Peters. A reconnaissance 

 in Northern Alaska, i39 p. — 21 : Ransome. The Geology and ore deposits 

 of the Bisbee quadrangle, Arizona, 168 p. — 28 : Washington. The superior 

 analyses of Igneous Rocks from Roth's Tabellen, 1869 to 1884, 68 p. 



— Minerai resources of the U. S., 1902. 



— Annaals reports U. S. geol. Siirç., XXIV, 1902-1903. 



— Finlande. Helsingfors. B. Conim. geol. de Finlande, 

 14, 1903. 



BoRGSTKÔM. Die Meteoriten von Hviltis und Marjalahti, 80 p. 



— Geol. ôfversiktskarta ôfçer Finland, 1904- 

 BER(;nELL. D. 2. Nyslott, i36 p, 



Grande-Bretagne. — Dublin. P. R. Irish Ac., XXV, (A), 

 1-2, 1904. 



— Edinbourgh. P. R. Physical, S., CXXXII-CXXXIII, 1902 4. 



— Glascow. M. geol. Surv. ofthe united Kingdom. 

 Harker et Glough. The Tertiary Igneous Rocks of Skye, 481 p. 



— Londres. M. geol. Survej'-. 



Summary of Progress of the Geological Survey of the United Kingdom 

 and Muséum of practical Geology for 1903, 196 p. 



— M. geol. Surv. England and Wales, 23i, 355-356, 1904. 

 Strahan, Gibson et Cantrill. The Geology of the South Wales Coal- 



Field, part V, i32 p. — Usshkr. The Geology of the Country around Kings- 

 bridge and Salcombe, 82 p. 



— The Geol. Magazine, (5), I, 48i-483, 1904. 



481 : Greex. Discovery of Silurian Fossils of Ludlow Age in Cornwall, 

 289-290. — Lelean. Eocene Outcrop in Central Africa, 290-291. — Bather. 

 Eocene Echinoids from Sokolo, 292-304. — Rogers and Arber. Fossiliferous 

 Limestone in Ihe Culm of West Devon, 3o5-3o8. — Elsden. Origin of Pegma- 

 tite Veins, 3o8-3i5. — Laxg. Jurassic Polyzoa, 3x5-322. — Hudleston. On the 



