580 SEC. 13. CHEMISTRY. 



2430. Essential Oils and their derivatives. J. H. Gladstone. 



1. Menthene. An oil of the C 10 H 16 group. 



2. Cedrene. An oil of the C 15 H 2 4 group. 



3. Hydrosulphate of menthole. 



4. Hydrate of oil of turpentine. C 10 H 16 , 3H.,0. 



5. The same recrystallized from water. 



6. Cceruleine, a deep blue colouring matter found in the essential oils of 

 Matricaria Chamomilla, Artemisia Absinthium, and several others of the C 15 

 H 24 group. 



243 Oa. Specimens of Chemicals illustrating Researches 



on : 



1. The transformation of cyanogen (CN) into oxatyl (COHo). 



2. Polymerisation of ethylic cyanide. 



3. The isolation of the organic radicals. 



4. Organo-metallic bodies. 



0. The substitution of 'N 2 " for C ir in organic compounds. 



6. Organo-boron compounds. 



7. The synthesis of ethers, acids of the acetic series, and 



ketones. 



8. The synthesis of acids of the lactic series. 



9. Tlie synthesis of acids of the acrylic series. 



E. Frankland, F.R.S. 



I. TRANSFORMATION OF CYANOGEN (CN) INTO OXATYL (COHo) 

 IN ORGANIC COMPOUNDS. (Kolbe & Frankland.) 



1. Acetic acid ( j cOHo) made from ^ meth y lic cyanide ( j 



2. Argentic acetate ( X C Q Z A \ made from the above acid. 



3. Propionic acid ( j ^^ H A made from ethylic cyanide ( j 

 The following salts made from this acid : 



4. Argentic propionate 



5. Baric propionate I C QBao' r . 



{ CMeH 2 

 f CMeH 2 



6. Plumbic propionate j cO Pbo// ' 



{ CMeH 2 



7. Caproic acid cOHo 2 made from ^ am >' lic cyanide 

 The following salts made from this acid : 



8. Argentic capro 



f CBuHo 



"1 co 



9. Baric caproate ^ 



CBuH 



