38 CONNECTICUT GEOL. AND NAT. HIST. SURVEY 



20. Geology of the West Point Quadrangle. C. P. Berkey and 

 Marion Rice, N. Y. State Mus. Bull. 225-226, 1921. 



21. Relations of Subjacent Igneous Invasion to Regional Metamor- 

 phism. J. Barrel!, Am. Jour. Sci., 5th Series, No. i, 1-19; No. 2, 

 174-186; No. 3, 255-267, 1921. 



'22. The Lime Belt of Massachusetts and Part of Eastern New York 

 and Western Connecticut, T. N. Dale, U. S. Geol. Surv. Bull. 

 744, 1923. 



