CONTENTS. i% 



XIII. Outline of the Mirwralogy of the 



Pentland Hills. By Professor 

 Jameson, - Page 178 



XIV. On Conglomerated or Brecciated 



Rocks. By Professor Jameson, 202 



XV. On Porphyry. By Professor Jame- 

 son, - 217 



XVI. Miner alogical Observations and Spe- 

 culations. 5^/ Professor Jameson, 221 



XVII. Observations on the Natural Histo- 

 ry of the Colymbus Immer. By Dr 

 Arthur Edmondston, - 232 



XVIII. Contributions to the British Fauna, 



By the Rev. Mr Fleming, - 238 



XIX. Description and Analysis of a new 

 Species of Lead- Ore from India, 

 By Dv Thomson, - 252 



XX. Notice concerning the Structure of 

 the Cells in the Combs of Bees and 

 Wasps. By Dr Barclay, - 259 



Part 11. 



XXI. On the Greenland or Polar Ice. By 



William Scoveshy junior, Esq. 261 



XXII. On the Mineralogy of the Redhead 

 in Angus-shire. By the Rev. John 

 Fleming, - 389 



