PROC. AM. PHILOS. SOC. 



VOL. XLIX. NO. 194 



Plate VIII 

 West 



Comet 1907 d (Daniel) on August 6, 1907, at 151^^ 3™ C.S.T. 



Exposure i^^ 21™. Scale : i inch = 39' 



lo-inch Bruce Portrait Lens. Yerkes Observatory. 



