IV CONTENTS. 
Geological Maps of Palma and of the Lake of Laach. 
6. M. Brongniart junior’s Fossil Botany. 7* Cprdier's 
Geology. 8. Arrangement of Rocks at Predazzo. 9. 
' Supposed cause of the Heat of Hot Springs and Volca- 
noes, - - - - 177, 178 
t 
MINERALOGY. 
VO, Strontites in Yorkshire. 11. Mr Heuland’s Mineralogical 
Collection. 12 . Mineralogical Collections, - 1 78, 179 
BOTANY. 
13. Gum Anirrii, as connected with the origin of Amber. 14. 
Sterility of Hybrid Plants. 15. Disengagement of Am- 
moniacal Gas during the Vegetation of the Chenopodium 
vulvaria. I 6 . Contributions to the Flora of Scotland. 
17 . Carrodori on the contractibility of Vegetables, 180-183 
ZOOLOGY. 
18. 'Note regarding the Spider whose Web is employed in Me- 
dicine. 19 . Notice regarding the Breeding of the Pea-, 
cock Parrot of South America in France. 20. Splendid 
Luminosity of Sea Animals, observed by Kuhl, in Lat. 
24“ S. Long. 12° in Oct. 1820. 21. Notice regarding 
Two Eggs, contained one within the other, and without 
Yolk, by M. Defrance. 22. Musical Thrush of Brazil, 184-1 86 
PHYSIOLOGY. 
. 23 . On 'Asphyxia by Strangulation. 24. On the Uses of the 
Mustachial bristles of Animals. 25. Experiments made 
upon six decapitated Robbers by Professor Bartels, 187-189 
anthropology. 
26 . Hereditary supernumerary Fingers, - 19I 
ARTS. 
27. Spiritpus Liquors derived from trees, or from fruits of 
trees. 28. Brown’s Gas Vacuum Machine, 19L 19^ 
POLITICAL economy. 
29. Friendly Societies, - « - 194 
Art. XXIX. List of Patents granted in Scotland from 1 8th 
August to 2d December 1824, - 194; 
