RECENT P UBLICA TIONS 553 



-Iowa Geological Survey, Vol. XI, Annual Report for igoo. Samuel 

 Calvin, State Geologist ; A. G. Leonard, Assistant State Geologist. Des 

 Moines, igoi. 



-Iowa, State University of. Bulletin from the Laboratories of Natural His- 

 tory, Vol. 5, No. 2. Iowa City, Iowa, May, igoi. 



-Jaquet, J. B. The Iron Ore Deposits of New South Wales ; with maps, 

 plates, and sections. [Memoirs of the Geological Survey of New South 

 Wales; Geology, No. 2.] Sydney, igoi. 



-Jevons, H. Stanley. A Numerical Scale of Texture for Rocks. 

 [Extracted from the Geological Magazine, Decade IV, Vol. V, No. 408, 

 p. 255, June, i8g8.] 



A Systematic Nomenclature for Igneous Rocks. [Extracted from the 

 Geological Magazine, N. S,, Decade IV, Vol. VIII, pp. 304-316, July, 

 I go I.] Dulau & Co., 3g Soho Square, W., London. 



-Kerforne, F. Etude de la Region Silurique Occidentale de la 

 Presqu'ile de Crozon (Finistere). Imprimerie Fr. Simon, Successor de 

 A. Le Roy, 8, Rue des Carmes, Rennes, igoi. 



-Klautzsch, a. Bericht liber Endmoranen und Tiefbohrungen im Grund- 

 moranengebiete des Blattes Rastenburg (Ostpreussen). [Separatab- 

 druck aus dem Jahrbuch der konigl. preuss. geologischen Landesanstalt 

 flir I goo.] Berlin, igoi. 



-Lay, H. C. Recent Geological Phenomena in the " Telluride Quadrangle" 

 of the U. S. Geological Survey in Colorado. [Transactions of the Ameri- 

 can Institute of Mining Engineers.] 



-Leonard, Arthur Gray. The Basic Rocks of Northeastern Maryland and 

 their Relation to the Granite. [From the American Goologist, Septem- 

 ber, I go I.] 



-Liversidge, a. On the Crystalline Structure of some Silver and Copper 

 Nuggets (with Plates VII-IX). On the Crystalline Structure of some 

 Gold Nuggets from Victoria. New Zealand, and Klondyke (with Plates 

 X-XIII). [Reprinted from the Journal and Proceedings of the Royal 

 Society of N. S. Wales, Vol. XXXIV.] 



-MouRLON, Michel. Sur I'Etat d'Avancement du Repertoire Universel 

 des Travaux Concernant les Sciences Geologiques (Bibliographia 

 Geologica). [Extrait des Annales (Bulletins des seances) de la Societe 

 royale Malacologique de Belgique. Tome XXXVI, igoi, pp. XVI a 

 XX.] P. Weissenbruch, 4g Rue du Poingoin, Bruxelles, igoi. 



-Norton, William Harmon. Geology of Cedar County. [From Iowa 

 Geological Survey, Vol, XI ; Annual Report, 1900, pp. 279-3g6.] Des 

 Moines, igoi. 



