174 



JOURNAL OF THE ROYAL HORTICULTURAL SOCIETY. 



CHEMISTRY OF ODOURS. 

 Those interested in the chemistry of perfumes should consult 

 the journals published by the pharmaceutical and chemical 

 societies of England, France, Italy, Spain, and Germany, 

 especially the last named, as a considerable part of the trade in 

 essential oils and perfumes is now in the hands of German 

 specialists. For statistics, imports, exports, &c, see the " Board 

 of Trade Returns." 



Dugald Stewart, see " Works," vol. iv. p. 300, for remarkable 



case of James Mitchell. 

 " Encyclopedia Britannica," 9th or last edition, see articles on 



Perfumes, Scent, Spices, Incense, Condiments, Smell, &c. 



" Chambers's Encyclopaedia " also contains much interesting 



information under above heads. 

 Franck, Francois, " Olfaction," Diet. Ency. des Sciences medi- 



cales, 2nd series, contains a full history of the sense of smell. 

 1804-54. Kitto, Dr. John, " Cyclopaedia of Biblical Literature," 



see Perfume, Ointment, Balm, Balsam, Spice, &c. 

 Owen's " Comparative Anatomy and Physiology of Vertebrates." 

 Ramsay, Dr. William, "Essay on Smell and Chemical Con- 

 stituents affecting Nerve Centres of the Nose," &c. (vide 



" Nature," vol. xxvi. p. 187). 

 Vintschgau, Prof. V., " Hermann's Handbuch der Physiologie 



d. Sinnesorgone," zweiter Theil, " Geruchsinne," p. 226, &c. 



%* Since the above paper was written Professor Ayrton, 

 President of the Physical Science Section, read a most interesting 

 paper on the sense of smell at the British Association meeting 

 at Bristol, September, 1898. 



LIST OF PLANTS REPRESENTED AT THE SOCIETY'S 

 MEETING, APRIL 26, 1898. 



To illustrate Mr. Burbidge's lecture the undermentioned 

 specimens were kindly sent by — (1) Leopold de Rothschild, 

 Esq., Gunnersbury House, Acton (gardener, Mr. Hudson) ; (2) 



