iT CONTENTS. 



Gigantic Plant of Craigleith Quarry. 13. On Tertiary de- 

 posites. 14. Chalk in the United States. 15. Number of 

 species of Fossil Shells in the Paris Basin. 10. More Caves 

 containing Bones of extinct Animals, mixed with works of 

 art. 17. Natural History Society of Switzerland. 18. 

 Bones of the Palseotherium in Molasse. 19. Geognostical 

 situation of the great deposite of Lead-glance and Calamine 

 in Silesia, 194-8 



BOTANY. 



20. Oak Trees liable to be struck by Lightning. 21. Potato at 

 a great height on the mountain Orizaba. 22. Method of 

 detecting Adulteration of Tea. 23. Culture of the Vine 

 in Mexico, _____ 199 



ZOOLOGY. 



24. Periodical appearance of shoals of Herrings in Loch Roat;. 

 25. Notice of the Comparative Anatomist Bojanus. 26. 

 Royal Medal presented to Mr Charles Bell. 27- Anatomi- 

 cal, Physiological and Pathological Researches in regard to 

 Veins. 28. Cross of the Anas clangula and Mergus albel- 

 lus. 29. Remarkable Birth. 30. Thompson's Zoological 

 Illustrations. 31. The third volume of Poli's great work, 

 and on the animal of Argonauta Argo. 32. Humming Bird 

 and Insects at a great height on the Volcano of Orizaba. 

 33. Spur on the wing of the Rallus crex. 34. An Electrical 

 Molluscous animal. 35. Species of Mussel exclusively em- 

 ployed as Bait in the Newfoundland Cod Fishery, 199-204 



ARTS. 



36. Improvement in the Smelting of Iron. 37. Artificial Ultra- 

 marine, ______ 205 



Art. XLI. List of Patents granted in England, _ ib. 



XLII. List of Patents granted in Scotland, - 208 



TO CORRESPONDENTS. 



The Editor regrets that want of room prevents his noticing the books 

 transmitted until next Number. 



The Memoir illustrative of Plate IV. shewing Isogeothermal Lines, and 

 Plate I. of Triparg and Manis, are unavoidably delayed till next Number. 



At p. 31, vol. viii. in Major Morrison's paper, is the following statement : 

 *' Each vessel being furnished with from 100 to 120 nets, each net being 4C 

 feet in length, which are joined to each other with great faciUty, and wheM 

 in the sea present a curtain from 14 to 16 feet in depth ;" for which the Ma- 

 jor now requests the following may be substituted : " Each vessel, whem 

 equipped for the taking of Mackerel, having from 100 to 120 nets, each net 

 being 40 yards in length, which are joined to each other with great facility, 

 and are 18 feet in depth ; and for the taking of the Herring, are furnished 

 with trom 46 lo 60 nets, each being 30 yards in length, and 27 feet in depth." 



