JflY. 1904.] 



KNOWLEDGE & SCIENTIFIC NEWS. 



151 



f-'ig. I.— 1903— Ottober, i;d., 3I1., 42 m. Calcium Flocculi, Low H Level. 



F. 



W. 



Fig. 2. — 1903 — October, od., 3 h., 43 m. Calcium Flocculi, Middle Hj Level. 

 THE UREAT SL'NSPOT OF 1903-OCTOBER. 



