CONTENTS OF No. VIII. 



QUARTERLY JOURNAL OF SCIENCE, 



INTO WHICH THE 



EDINBURGH NEW PHILOSOPHICAL JOURNAL 



IS NOW MEEGED. 



OCTOBER, 1865. 



ORIGINAL ARTICLES. 



PAGE 



On Circulation and Communication in Railway Trains : by Captain 

 Tyler, Royal Engineers, Railway Department, Board of Trade. 

 With Page Plate 571 



On the Quality of Musical Sounds. By W. Stevens Squire, Ph. D., 



F.C.S. With Woodcuts 591 



The Mammals of South America. By Dr. P. L. Sclater, M.A., 



F.R.S. With Plate, by Wolf 605 



Strata identified by Organic Remains. By H. M. Jenkins, F.G.S., 



Assistant-Secretary of the Geological Society. With Page Plate 622 



The North Pole. By the Rev. C. W. Kett, M.A 631 



British Gold, with Especial Reference to the Gold Mines of 

 Merionethshire. By Robert Hunt, F.R.S 635 



CHRONICLES OF SCIENCE. 

 I. Agriculture 644 



II. Astronomy (including the Proceedings of the Royal Astro- 

 nomical Society) 650 



III. Botany and Vegetable Physiology (including brief Notices 



of recent Botanical Works) 656 



IV. Chemistry (including the Proceedings of the Chemical 



Society) 664 



