JUILLET, AOUT ET SEPTEMBRE I907 63 



I72 p _ 3 00 : Clapp. Economie Geology of the Amity Quadrangle eastern 

 Washington County Pensylvania, 144 p. — 3o8 : Ball. A Géologie Recon- 

 naissance in Southwestern Nevada and Eastern California, 218 p. — 3i2 : 

 Sullivan. The Interaction Betwen Minerais and Water Solutions, 69 p. — 

 3i4 : Brooks etc. Report on Progress of Investigations of Minerai Resources 

 of Alaska in 1906, 235 p. — 3i5 : Emmons and Eckel. Contributions to 

 Economie Geology 1906, 5o5 p. 



— Water-Supply and Irrigation papers Geol. Sure, 120, i52, 

 1905 ; 190, 194, 196, 200, 1907. 



120: Fuller. Bibliographie Review and Index of Papers-relating to Under- 

 ground Waters. 1879-1904, 108 p. — i5a: Goodell. A Review of the Laws 

 forbidding Pollution of Inland Waters, 148 p. — igo : Taylor. Underground 

 Waters of Coastal Plain of Texas, 73 p. — igi : Gould. The Geology and 

 Water Resources of the Western Portion of the Panhandle of Texas, 70 p. 

 — ig2 : Parker, Baily, Bolster, Ashe and Marsh. The Potomac River 

 Basin, 364 P- — 1 93- Dole and Wesbrook. The Quality of Surface Waters 

 in Minnesota, 171 p. — *94 : Leighton. Pollution of Illinois and Missis- 

 sipi Rivers by Chicago Sewage, 369 p. — 1 g6 : Hoyt and Henshavv. Water- 

 supply of Nome Région, Seward Peninsula, Alaska, 1906. — 200 : Horton. 

 Weir Experiments, Coefficients and Formulas, 195 p. 



— Professional Papers, U. S. Geol. Surv., 57, 1907. 

 Barrell. Geology of the Marysville Mining District Montana, 178 p. 



— Philos. S., XV, p. 27-56, 1907. 



— Smiths. Miscellaneous Collections (Quaterly issue), XLVIII, 

 695 ; L, 1703 ; 1907. 



iyo3 : Dall. Notes on someUpper Cretaceous Volutidse, i-23. — Knowlton. 

 Description of a Collection of Kootanie Plants from the Great Folls Coal 

 Field of Montana, io5-i3o. 



— Smiths. I. B. of the U. S. Nat. Mas., LUI, 2, 1907. 



Merrill. Catalogue of the Type and Figured Spécimens of Fossils, Mine- 

 rais, Rocks, and Ores, 1-370. 



Finlande. — Helsingfors. B. Gom. Geol. de la Finlande, 

 20-23, 1907. 



20 : Tanner. Zur geologischen Geschichte des Kilpisjârwi-Sees in Lappland, 

 1-23. — 21 : Id. Kvartàrsystemet i Fennoskandias nordliga Delar, 1-127. — 

 22: Borgstrôm. Granitporphyr von Astersundom, 1-20. — 23 : Sederholm. 

 On Granité and Gneiss their Origin Relations and Occurence in the Pre- 

 Cambrian complex of Fenno-Scandia, 1-110. 



Grande Bretagne. — Dublin. P. R. irish Ac, XXVI, B, 

 9- i9°7- 



Fearnsidbs. The Lower Palœozoic Rocksof Pomeroy, 97-128. 



— The Economie P. of the R. Dublin S., I, 10-11, 1907. 



— The Se. P. ofthe R. Dublin S., XI (N. S.), 16-20, 1907. 



— The Se. T. R. S., (2), IX, 1907. 



