In line of conservation, I have for some time past substituted for the ice bag and coil varied lengths of old or discarded inner auto tubes. Parts of these tubes, cut crosswise in lengths varying from a few inches to 2 or more feet, filled with cracked ice and the ends tied with tape, make an ideal ice pack or coil which can be accommodated to any region of the body and, indeed, is to be preferred to the old ice bag, which quickly gets out of order and is expensive. Any small or even large leaks or blow-outs can be closed with adhesive plaster. For the extremities, such a coil is especially valuable in completely encircling the part. Parts cut lengthwise and sterilized can, in an emergency and in the absence of other rubber tissue, be utilized for drains and impervious coverings, and a long length held in front