PROC. AM. PHILOS. SOC. 



VOL. XLIX. NO. 194 



Plate II 

 West 



Comet 1907 (/ (Daniel) on July 15, 1907, at 13!^ 52'" C.S.T. 



Exposure 2'> 20"'. Scale : i inch = ^,2' 



lo-inch Bruce Portrait Lens. Ycrkcs Observatory. 



