THE ANALYST. 171 APPARATUS. Apparatus for taking Samples of Water Some Depth below the Surface. A. Bujard. (Zeit. f iir Uiitersitch. der *Yahr. itntl Geiiitssmittel, 190.1, vii., 221, 222.)-The apparatus is shown in the accom- panying illustration. A brass frame is clamped to a long wooden rod by means of thumb-screws. At the lower part of the frame is a hinged clamp, in which the bottle is secured, whilst the neck of the bottle is held in the collar screwed down from the upper part of the frame. A cord attached to the eyelet serves to open the stopper, and on releasing the tension on the cord the stopper is forced into place by a spring. The apparatus may be used for taking samples of water either for bacteriological or chemical analysis. I n the latter cam, the size of the frame may be in- (This apparatus is very similar to the one exhibited by creased to acconimodate a larger bottle. w. P. s. Mr. W. Chattaway at a meeting of the Society some time since.)