57 



Paraffins : 



Heptane. Tridccanc. 



Octane. Tetradecane. 



Nonane. IVntjMlr.r.-im-. 



Decane. Hexadecane. 



Undecane. Heptadecane. 

 Dodecane. 



Oxalic acid, got from burning oil by the action of nitric acid. 



187. Artificial fruit essences, being solutions of various 

 organic ethers in rect. spirit of wine. 



1876. Exhibited ly Hirst, Brooke, Sf Hirst. 



They are nearly identical in flavour with the flavouring 

 principles of the fruits they are intended to imitate : 

 Jargonelle pear. Raspberry. 



Pine apple. 



Apple. 



Strawberry. 



Greengage, 



Peach. 



Cherry. 



188. Wine lees. Specimens of Italian, Spanish, and 

 St. Antimo. 



Deposits upon sides of vats, being principally acid potassium 

 tartrate. 



Lemon juice, concentrated. 



Citrate of lime from lemon juice. 



Tartrate of lime. 



Tartaric acid, granulated and crystalline. 



Sulphate of potash. 



Citric acid, crystalline and granulated. 



1876. Lent ~by Sir J. Bennet Lawes, Bart. 



189. Collection of preparations resulting from tech- 

 nical and scientific research. Contributed by members 

 of the German Chemical Society. (The names of the 

 members are given below their contributions.) 



Anthracene. 



Anthraquinone. 



Dinitrobenzene. 



Eosine potassium. 



Methyl Violet. 



Kubin (Rosaniline hydrochlo- 



ride). 



Benzylchloride. 

 Aniline. 

 Saframne hydrochloride. 



Hofmann's Violet (Iodine 

 Violet). 



Toluene. 



Coralline (Ammonium - roso- 

 late). 



Nitrobenzene. 



Phenylene Brown. 



Azobenzene. 



Phosphine (Chrysaniline ni- 

 trate). 



