THE 



EDINBURGH 



JOURNAL OF NATURAL HISTORY 



AND OF 



THE PHYSICAL SCIENCES. 



CONDUCTED BY 



WILLIAM MACGILLIVRAY, A.M., 



CONSERVATOR OF THE ROYAL COLLEGE OF SURGEONS, EDINBURGH; FELLOW OF THE ROYAL SOCIETY 



OF EDINBURGH; MEMBER OF THE WERNERIAN NATURAL HISTORY SOCIETY; OF THE 



ACADEMY OF NATURAL SCIENCES OF PHILADELPHIA, &c. &c. 



ASSISTED BY SEVERAL SCIENTIFIC AND LITERARY MEN. 



VOLUME II. 

 A.D. 1839—1840. 



EDINBURGH : 



PUBLISHED BY THE EDINBURGH PRINTING COMPANY, 12, SOUTH ST DAVID STREET. 



GLASGOW AND THE WEST OF SCOTLAND: JOHN SMITH AND SON, 70, ST VINCENT STREET; AND 

 JOHN M'LEOD, 20. ARGYLE STREET. ABERDEEN: A. BROWN AND CO 



MANCHESTER: AINSWORTH AND SONS, 107, GREAT ANCOATS STREET. LEEDS: THOMAS AINSWORTH, JUNIOR, 



50, QUEEN'S PLACE, COBURG STREET. 



DUBLIN: GEORGE YOUNG, 9, SUFFOLK STREET. 



PARIS: J. B. BALLIERE, RUE DE L'ECOLE-DE-MEDECINE, 13, (BIS.) 



LONDON: SMITH, ELDER, & CO., 65, CORNHLLL. 

 M.DCCC.XL. 



