CONTENTS. UI 



Page 

 Small Whales for Feeding Cattle in the 

 Faroe Islands. In a Letter to the Editor 

 from W. C. Trevelyan, Esq., . .110 



XIII* Report on M. Alcide D'Orbig-ny's Memoir, 

 entitled, General Considerations on the Geo- 

 log^y of South America. By M. Elie de 

 Beaumont. (Concluded from Vol. XXXVI. 

 page 62, . . . . .111 



XIV. On the Classification of Fishes. By L. Agas- 



siz, ...... 132 



XV. On the Mode of Formation of Crystalline 

 Limestone, Contact Products, Crystalline 

 Silicide- Slates, and Un stratified Crystalline 

 Silicide-Rocks ; with Preliminary Observa- 

 tions on the present state of Geology, and 

 on the Methods of Investigation pursued in 

 that Science. ByB. M. Keilhau, Professor of 

 Geology in the University of Christiania. 

 Communicated by the Author. '(Concluded 

 from Vol. XXXVI., page 362), . , 143 



Contact Products, . . . . 143 



Crystalline Silicide Slates, . . . 161 



Uustratified Crystalline Silicide Rocks, . , 166 



XVI. Analysis of Wines from Palestine, Syria, and 

 Asia Minor. By Professor Edward Hitch- 

 cock, LL.D., of Amherst College, . 176 



XVII. Description of an Improved Apparatus for 

 Levelling Small Theodolites. By Mr John 

 Sang, Land- Surveyor, Kirkaldy. With a 

 Plate. Communicated by the Royal Scot- 

 tish Society of Arts, . . .182 



XVIII. Observations on the Motion of Earthquakes 

 transmitted under the Andes. By Richard 

 Solly, Esq. Communicated by the Author, 183 



XIX. On Parietin, a Yellow Colouring Matter, and 



