CONTENTS. 



PAGE 



1 . Notice of Ancient Moraines in the Parishes of Strachur 



and Kilmun, Argyleshire. By Charles Maclaren, 

 F.E.S.E, . . . .189 



2. Physical Features of Saturn and Mars, as noted at the 



Madras Observatory. By Captain W. S. Jacob, 

 H.E.I.C. Astronomer. (With Two Plates), . 203 



3. A recent Revision of a portion of the Catalogue of Stars 



published by the British Association in 1845. By 

 Captain W. S. Jacob, H.E.I.C. Astronomer at Ma- 

 dras. Communicated by Professor C. Pjazzi Smyth, 206 



4. Some Additional Experiments on the Ethers and Amides 



of Meconic and Comenic Acids. By Henry How, 

 Professor of Chemistry and Natural History, King's 

 College, Windsor, Nova Scotia, . . 212 



5. A Draft Arrangement of the Genus Thamnophilus, 



Vieillot. By Philip Lutley Sclater, M.A., F.Z.S., 226 



6. On the Production of Boracic Acid and Ammonia by 



Volcanic Action. By Bobert Warington, F.C.S., 250 



7. On the Principal Depressions on the Surface of the 



Globe. By Dr George Buist, Bombay, . 253 



8. On the Action of Gallic and Tannic Acids in Dyeing. 



By F. Grace Calvert, F.C.S., M.B.A. of Turin, 

 Professor of Chemistry at the Boyal Institution, Man- 

 chester, ..... 265 



9. On the Geological Range of the Pterygotus problemati- 



cus. By the Rev. W. S. Symonds, F.G.S., . 269 



