Considering the immense amount of rapid work which has to be done by the American conductors of magazines, it is not to be wondered at that they make mis takes sometimes. Yet it is well known to those familiar with foreign periodicals that the American serials are certainly not behind any of them in accuracy. A correspondent sends us the following, which was noted in our columns a year ago, as a singular mass of error from a London paper, but which seems to be still "going the rounds".

"Among the wonders of the 'Wild West' that have recently been discovered is a vegetable compass. The American Association for the Advancement of Science publishes in its 'Transactions'a report penned by General Abford, of the United States army, and treating of an extraordinary plant growing wild in the States of Oregon and Texas, the leaves of which point due north and south, and are consequently utilized by belated prairie hunters as convenient substitutes for the magnetic needle. Professor Gray Meehan, who has examined specimens of this gifted shrub at the request of the association, defines it as a dwarf variety of the Osier, named Silphium laciniatum. It is perennial, and attains a maximum height of three feet six inches " Our correspondent says: "This ought to go into the Naturalist as an example of scientific accuracy out of America :"