State Geological and Natural History Survey 



COMMISSIONERS 



MARCUS H. HOLCOMB, Governor of Connecticut 

 ARTHUR TWINING HADLEY, President of Yale University 

 WILLIAM ARNOLD SHAN KLIN, President of Wesleyan University 

 REMSEN BRINCKERHOFF OGILBY, President of Trinity College 

 CHARLES LEWIS BEACH, President of Connecticut Agricultural College 

 BENJAMIN TINKHAM MARSHALL, President of Connecticut College for Women 



SUPERINTENDENT 

 HERBERT E. GREGORY 



Publication Approved by the Board of Control 



