Contents. 



V. 



26. Operation of septon on plants and animals, 318 



27 State of Pharmacy in Mexico, 326 



28. Senna, 328 



29. Preparation of hyposulphate of soda, 329 



30. Duflos' method of purifying crude hydrochloric acid, 329 



31. Conularia vernuelia, 330 



32. The laurel and the plum, 331 



33. Analysis oi mineral waters, 332 



34. Addison county (Vermont) agricultural fair, 333 



35. Notices of books, 335 



36. Adulteration of iodine, 336 



