﻿der Referate. 



XLIII 



Seite 



Rackovsky, J.: Ueber Alkaligesteine aus dem Südwesten des Gouverne- 

 ments Jenissejsk -69- 



Koto, B.: On Nepheline-basalt from Yinge-men, Manchuria .... -245- 

 Közu, S.: Petrological notes on the igneous rocks of the Oki islands (L) -246- 

 Ginsberg, A. S.: Beitrag zur Petrographie des armenischen Hoch- 

 plateaus (L) -246- 



Beljankin, D.: Beiträge zur Petrographie der Eruptivgesteine des 



Zentral-Kaukasus (L) -246- 



Afrika. Madagaskar. 



Lacroix, A. : Les Syenites nepheliniques de l'archipel de Los et leurs 



mineraux - 71 - 



Brouwer, H. A. : Oor eigenaardige zeefstructuren in alkaliryke stollings- 



gesteenten . -246- 



— On the Formation of primary parallel-structure in lujaurites . . -246- 

 Parkinson, J. : The Relation between the Foliated and non Foliated 



Rocks of Southern Nigeria, West Coast, Afrika -430- 



Nord-Amerika. Mexiko. 



Moore, E. S.: The differentiation of Keweenawandiabases in the vicinity 



of lake Nipigon * -77- 



Rogers, A. F.: On Corundum-syenite (Uralose) from Montana . . . -78- 

 Loughlin, G. F.: Intrusive Granites and Associated Metamorphic 



Sediments in Southwestern Rhode Island -79- 



Rogers, G. S.: Original Gneissoid Structure in the Cortlandt Series -79- 

 Pirsson, L. V. and Wm. North Rice: Geology of Tripyramid Mountain -80- 



Pirsson, E. V.: Petrography of Tripyramid Mountain -80- 



Watson, Th. L. and J. H. Watkins: Association of Rutile and Cyanite 



from a New Locality -83- 



Watson, Th. L.: An Association of Native Gold with Sillimanite . . -84- 

 Lahee, F. H. : Relatious of the Degree of Metamorphism to Geological 



Structure and to Acid Igneous Intrusion in the Narragansett Basin, 



Rhode Island -247- 



Warren, Ch. H. : The Ilmenite Rocks near St. Urbain, Quebec; A New 



Occurrence of Rutile and Sapphirine -248- 



Sosman, R. B. and PI. E. Merwin: Data on the Intrusion Temperature 



of the Palisade. Diabase (L) -249- 



Zentral-Amerika. Süd-Amerika. 



Bendrat, T. A.: Geologie and Petrographie Notes on the Region about 



Caicara, Venezuela -84- 



— Geologie and petrographie notes on the region about Caicara, 

 Venezuela -84- 



Atlantisches Gebiet. 



Bergt, W. : Uebersicht über die Gesteine der Kapverdischen Inseln (L) -249- 



Pazifisches Gebiet. 



Daly, R. A.: Magmatic differentiation in Hawaii -85- 



