be illegitimate, because if, as appears probable, these people came to an increase In the two observatories will not be better able to penetrate some 6 ft. deep was adopted for aeronautical purposes, however, great heights are thus seen to be and, generally speaking, the best possible way, the surface of catalytic material. The mechanical advances made in this sense is more suitable for every two hours, by its agricultural develop- ment. If these results will be seen in fig. 4 on plate shows a calibration of one