PROC. AM. PHILOS. SOC. 



VOL. XLIX. NO. 194 



Plate V 

 West 



Comet 1907 d (Daniel) on July 29, 1907, at I4'> 41'" C.S.T. 



Exposure i^^ 40'". Scale : i inch — 44' 



xo-inch Bruce Portrait Lens. Yerkes Observatory. 



