IV CONTENTS. 



r'age 

 XXI. Scientific Intelligence — 



Africa ; also on the Prevailing Formation of 

 Oolitic Limestones of the Jura by minute 

 Polythalamous animals. 6. New Volcano in 

 the Island of Meleda in the Adriatic, 199-202 



ZOOLOGY. 



7. On the Structure and Development of a 

 newly-discovered Animalcule of the Human 

 Skin, the Entozoon folliculorum. 8, Dis- 

 covery of a Mycoderm which appears to con- 

 stitute the disease known by the name of 

 Plica Polonica, . . . . 204 



CHEMISTRY AND MINERALOGY. 



9. Professor Connell on the Tagua Nut or 

 Vegetable Ivory. 10. Galvanic Silvering 

 of Cast-iron. 11. Extraction of Palla- 

 dium in Brazil. 12. Wohlerite, a New 

 Mineral Species. 13. Leonhardite, a new 

 Mineral, . . . 205-208 



MISCELLANEOUS. 



14. Strawberries. 15. Yew and laburnum 

 imported to England for the manufacture 

 of Bows in the 16th century. 16. Cap- 

 ture of Whales in Faroe, . . 210 



XXII. New Publications, . . .211 



XXIII. List of Patents for Inventions granted for 

 Scotland from 20th September to 20th De- 

 cember 1843 inclusive, . . .214 



Erratum. — In our last Number the first wood-cut at p. 238 

 was reversed. 



