i4 b&oever, I niethod is em:ployed by which only a part of 'the chloroform is submitted to the patient's respirations, being also in part diAtributed "I to thOse whO do not want it," then nodoubtA igomewhat iticreased waste of vapour occurs in hot. weather.-'At the sameatimt the case, as -presented by Dr. Barton, is, I think, overstated. As regards the eflct ttpbn "the olfagtory senses Iof the bystanders, this iN gsalely it relation to the concentration of ,the vapouir (higher in hot tWether),

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... nd not necessarily -to the total quantity wasted. With Dr. Barton'e eoncldding remarkb I am quite anable to agree; a rapid ttranm of drops of chloroform may, after a little practice, be cotinted out, with the minimum etercise of' mental effort. It is, however, necessary to einphasi2e the importance of using an -efficient drop bottlo, and the simple form manufactured by Lemtpricht Freres for chethical reagelts is tlhe most suitable which I hAve dietovered f6r this purpose.-I am, etc., Nelson, british Cdltimbia. A G. LEVTY.