WILSON: MEDFORD DIKE AREA. 
373 
LITERATURE. 
Barton, G. H. 
’ 92 . Bowlders formed in situ. Technology quarterly, vol. 5, p. 401-406. 
Crosby, W. 0. 
‘ 80 . Contributions to the geology of eastern Massachusetts. Occasional 
papers Boston soc. nat. hist., vol. 3. 
’ 89 . Relations of the pinite of the Boston Basin to the felsite and conglom¬ 
erate. Technology quarterly, vol. 2, p. 248-252. > 
’ 90 . The kaolin in Blandford, Mass. Technology quarterly, vol. 3, p. 228- 
237. 
Dana, J. E., and Dana, S. L. 
’ 18 . Outlines of the mineralogy and geology of Boston and its vicinity. 
Memoirs Amer. acad., series 1, vol. 4, p. 129-223. 
Diller, J. S. 
’ 80 . The felsites and their associated rocks north of Boston. Proc. Boston 
soc. nat. hist., vol. 20, p. 355-367. 
’ 81 . The felsites and their associated rocks north of Boston. Bull. mus. 
comp, zool., vol. 7, p. 165-180. 
Dodge, W. W. 
’ 75 . Notes on the geology of eastern Massachusetts. Proc. Boston soc. nat. 
hist., vol. 17, p. 388-419. 
Hitchcock, Ed. 
’ 41 . Final report on the geology of Massachusetts. 4to: Northampton ; 1841. 
Hobbs, W. H. 
’ 88 . On the petrographical characters of a dike of diabase in the Boston 
Basin. Bull. mus. comp, zool., vol. 16, p. 1-12. 
.Jaggar, T. A., Jr. 
’ 98 . An occurrence of acid pegmatite in diabase. Amer. geologist, vol. 21, 
p. 201-213. 
Merrill, Geo. P. 
’ 96 . Disintegration and decomposition of diabase at Medford, Mass. Bull, 
geol. soc. Amer., vol. 7, p. 349-362. 
’ 97 . A treatise on rocks, rock-weathering and soils. 8vo : New York; 1897. 
Purington, C. W. 
An account of a part of the felsite area north of Boston. Manuscript paper 
in the Library of the department of Mineralogy and Petrography, Harvard 
University. 
