Soulh 



PLATE 4 



Spiral Xi;iu'Ua Messier jI Caiittiii rcinitic 



oniiii. 



Photographed with 6o-lnch Reflector, on Seed "23" plate, February 7 and 8, 1910. 

 Exposure 3'! 35m. Enlargement from negative 6.4 diameters. Scale: i mm = 4".2. 



