State Geological and Natural History Survey 

 of Connecticut 



COMMISSIONERS 



Wilbur Lucius Cross, Governor of Connecticut 



Charles Seymour, President of Yale University 



James Lukens McConaughy, President of Wesleyan University 



Remsen Rrinckerhoff Ogilby, President of Trinity College 



Albert N. Jorgensen, President of Connecticut Slate College 



Katharine Rlunt, President of Connecticut College for Women 



SUPERINTENDENT 

 W. E. Rritton, Ph.D., D.Sc. 



Agricultural Experiment Station, New Haven 



DISTRIRUTION and EXCHANGE AGENT 



James Rrewster 



State Library, Hartford 



Publication approved by the Board of Finance and Control 



