156 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 
Tarr, R. S. 
’91. The phenomenon of rifting in granite. Amer. journ., sci. ser. 3, vol. 41, 
p. 267-272. 
Van Hise, C. R. 
’92. Correlation papers : Archean and Algonkian. Bull. 86, U. S. geol. surv., 
549 pp. 
Wadsworth, M. E. 
’78. Notes on the petrography of Quincy and Rockport. Proc. Bost. soc. 
nat. hist., vol. 19, p. 309-316. 
Wadsworth, M. E. 
’79. On the classification of rocks. Bull. mus. comp, zool., vol. 5,'p. 275-287. 
Wadsworth, M. E. " 
’80. [Criticism of Crosby, “ On the evidence of compression in the rocks of 
the Boston Basin.”] Proc. Bost. soc. nat. hist., vol. 20, p. 313-318. 
Wadsworth, M. E. 
’82. On the relation of the Quincy granite to the primordial argillite of 
Braintree, Massachusetts. Proc. Bost. soc. nat. hist., vol. 21, p. 274-277. 
Wadsworth, M. E. 
’83. Descriptive catalogue of American and foreign rocks. Boston. 
White, T. G. 
’94. The geology of Essex and Willsboro’ townships, Essex Co., N. Y. 
Trans. N. Y. acad. sci., vol. 13, p. 214-233. 
Whitney, J. D., and Wadsworth, M. E. 
’84. The azoic system and its proposed subdivisions. Bull. mus. comp, 
zool., vol. 7, p. 331-565. 
Williams, G. H. 
’83. Die eruptivgesteine der gegend von Tryberg im Schwarzwald. Neues 
jahrb. min. geol. pal., Beilage bd. 2, p. 584-634, pi. 11-12. 
Williams, G. H. 
’93. On the use of the terms poikilitic and micropoikilitic in petrography. 
Journ. geol., vol. 1, p. 76-79. 
Williams, G. H. 
’94. The distribution of ancient volcanic rocks along the eastern border of 
North America. Journ. geol., vol. 2, p. 1-31. 
Wolff, J. E. 
’82. The great dike at Hough’s Neck, Quincy, Mass. Bull. mus. comp, 
zool., vol. 7, p. 231-242. 
Printed December, 1897. 
