CONTENTS. 



K 



I1T. Natural History. 



Page 



1 On the Direction of the Roots 



and Stems of Plants 422 



2 On the Nature and Character 



of the Potato Root, and other 

 Vegetable Bulbs 423 



3 Peculiar Cultivation of Potatoes 425 



4 Curious Phenomenon in Vege- 



table Physiology ib, 



5 Effect of Iodine upon Germina- 



tion .... 426 



C Preservation of Seeds ib. 



7 New and hardy kinds of Olives 427 



8 On a dangerous Plant growing 



among Water-Cresses ib. 



9 Habits of the Egyptian Scara- 



bseus ib. 



10 -Method of killing Insects for 

 Preservation in Cabinets ib. 



11 New Applications of Chloride 



of Lime 428 



12 Preservation of Meat and Fish 



by Means of Ice ib. 



13 Torsion of the Arteries ib. 



14 On Metallic Ligatures applied 



to Arteries 429 



15 Metallic Silver in the Animal 



Tissue 430 



16 On the Ergot of Mais, or Indian 



Com ib. 



Pajre 



17 Poisoning by Strychnia 431 



18 On Vegeto-Alkaline Poisons, 



and the Neutralization of their 

 Power ib. 



19 Impure Common Salt in France 432 



20 Application of Iodine to Scrofula ib. 



21 On Sulphur found in Gypsum ... 433 



22 Falls of the Niagara ib, 



23 Thawing Power of a small 



Stream of Water ib. 



24 Meteorological Influence of 



Terrestrial Electricity 434 



25 Petrified Tree in the Isle of 



Portland 435 



26 Brandy an Antidote to Beer ... ib. 



27 Different Methods of preserving 



Animal and Vegetable Sub- 

 stances designed for Scientific 

 Collections 436 



28 On the vegetating Wasp of 



Guadaloupe 437 



29 Artificial Incubation 438 



30 Note relative to some blister- 



ing Insects ib, 



31 Ratio of the Births of Males and 



Females relative to the Age, 

 &c. of the Parents 439 



32 On the different Colours of the 



Eggs of Birds 440 



