CONTENTS. 
ir 
V ZOOLOGY. 
23. Dr Grant on the Ova of the Sponge. 24. Sea-Horse kill- 
ed in Orkney. 25. Irish Elk. 26. Fossil Bones. 27. 
Remains of a Fossil Whale brought from the Apennines 
by Lord Glenorchy. 28. The Megatherium found in 
North America. 29* On the Organs of Generation of 
the Mexican Proteus, called by the natives Axolotl. 
80. Migration of Birds. SI. Wolves in Livonia. S2. 
On the Animal of the Argonaut. S3. On the Bisul- 
cated Horse, the Equus bisulcus of Molina. 34. Bottle- 
nose Whales. 35. The Dog originally an inhabitant of 
the New World. 36. Winter change of the colour of 
the Ptarmigan, - 381-390 
CHEMISTRY. 
37« Salts of Strontian and Barytes. 38. Cooling of Glass. 39 * 
Artificial Cold. 40. Nature of Indian Yellow, 390 
ARTS. 
41. On the Steam-Engines in Cornwall. 42. Paste for sharp- 
ening Razors. 43. Manufacture of Red Crayons. 44. 
Steam Carriage. 45. New mode of securing Anatomical 
Preparations in Spirits. 46. Cause of the Smell of Hy- 
drogen Gas. 47* Bourdeaux Wines. 48- New Coin- 
age, - 39O-393 
MINING. 
49. Working of Mines in Lapland and Norway. 50. Scottish 
National Mining Company. 51. Scottish Stone Com- 
pany, - - 395 
Art. XXV. List of Patents granted in Scotland from 25th 
May to 11th August 1825, - 396 
List of Plates in Vol. XIII. - - 398 
Index to Vol. XIII. - 399 
