BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA 



Vol. 25. pp. 591-654, PLS. 15-25 NOVEMBER 15. 1914 



OEIGIN OF PILLOW LAVAS ^ 



BY J. VOLNEY LEWIS 



{Presented before the Society Decemder 30, 1918) 



CONTENTS 



Page 



General characters of pillow structure 592 



Distribution of pillow lavas 595 



In general 595 



Germany 595 



Saxony 595 



Hanover 597 



Bavaria 597 



Hesse 597 



France and Italy 599 



British Isles 601 



Wales .601 



England 603 



Scotland 606 



Ireland 608 



Sweden [ 609 



Iceland and the Faroe Islands 610 



East Indies 610 



British America 611 



Newfoundland 611 



New Brunswick 611 



Ontario , 611 



Hudson Bay 612 



United States 613 



Lake Superior region 613 



Idaho 617 



California ; 618 



Alaska 619 



Maine 620 



Massachusetts 621 



Connecticut 622 



New Jersey 628 



Chronological table of pillow lavas, pahoehoe and aa , . . 629 



Published with the permission of the State Geologist of New Jersey 

 Manuscript received by the Secretary of the Society July 29, 1914. 



XLIII — Bull. Geol. Soc. Am., Vol. 25, 1913 ( 591 ) 



