From the Charlottesville Advocate. _The Southern Literary Messenger_.--We have been favored by Mr. White, the proprietor, with the March No. of this periodical. The delay in the publication has been occasioned by the desire of Mr. White to insert Prof. Dew's Address. However desirable a regular and punctual issue may be, we are disposed to excuse the delay on the present occasion, for the reason assigned. As the Messenger has now passed through the difficulties attendant on new enterprises, is on a permanent footing, and has vindicated its claims to rank among the first of American Periodicals, we commenced the perusal of the present number, predetermined to censure whenever we could get the slightest pretext. We have read it calmly and with a "critic's eye," and though it is not faultless, for with two exceptions the poetry is below mediocrity, we have been so delighted with most of the articles, as not to have the heart to censure. We candidly regard it the best single number of any American periodical we have ever seen. Mr. Dew's Address and Mr. Stanton's Essay on Manual Labor Schools, are articles of enduring and inestimable worth. We subjoin the following notice of the contents from the Richmond Compiler, with which we in the main concur. From the Richmond Compiler. We have already announced the appearance of the Literary Messenger for March 1836. We always read the work with pleasure, and have frequently awarded to it the high praise it so well deserves. In the present instance, we are forcible struck with a sort of merit so rare in publications of the kind, that, to a certain class of readers, our praise may sound like censure. We hazard nothing in saying, that in the pages before us, there is more substantial matter, more information, more food for the mind, and more provocative to thought, than we have ever seen in any periodical of a miscellaneous character. A chapter from Lionel Granby--a _jeu d'esprit_ from Mr. Poe--some of the reviews--and a page or two of description--together with a very few metrical lines--make the sum total of light reading. We would not be understood to mean that the rest is heavy. Far from it. But we want some word to distinguish that which ought to be read and studied, from that which may be read for amusement only. He who shall read the rest of the number, must be very careless or very dull, if he is not edified and instructed. We will add, that his taste must be bad, if he is not tempted to receive the instruction here offered by the graces of style, the originality of thought, and the felicity of illustration, with which the gravest of these articles abounds.