JOURNAL 



OF 



THE ACADEMY OF NATURAL SCIENCES 



^ 



OF 



PHILADELPHIA. ^^^ 



NEW SERIES. YOL. YIII. PART I. 



PHILADELPHIA; 



FEINTED FOR THE ACADExMY 



NG IIonsB, 70c 

 April, 1874. 



Collins' Pbinting IIonsB, 705 Jayne Street. 



