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Dr.. J. B. Munn--

 Dear Sir,-' have made repeated trials of your "ELIxIR OF Or IUM" in he City and Marine Hos ptls, and find it to possess the anodyne and scdatve powers of the ordinary preparation of Opium, with ont producing the exctement headache, nausea, con- stpation, which in many render those prepara- tions objectionable. It's effects more permanent and uniform than those of morphia. Yours, &c.

 c. l.. MITCHELL, NJ. D.,

 Resident Physician, N. York Hospital. New-York, February Sh. sS7