MONTHLY JOURNAL OF NATURAL SCIENCE 
eDitei) by 
JOHN. H- COOKE, 
B. Sc., F.G.S., F.E. G. S., etc. 
“Hear the truths that Nature loves to tell ” 
VOLUME I. 
•TUNE 1891 TO MAY 1892. 
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MALTA: G. Muscat, 48, Stracla Mercanti. 
LONDON: W. P. Collins, 157, Gt. Portland St. 
NEW YORK: B, Westermann & Co., 812, Broadway, 
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