Show biake phenomena the new lake formed in the heart of a colorado desert seems to bo subject to a sort of periodical ebb and tide up to the middle of july it rose at the average rate u three inches a day then subsided for wo weeks at about the same rate and has since slowly returned to its higher level A similar phenomenon has been now and then observed oil the shores of zirknitz knitz lake in tho austrian province of carniela Car niola A hupe cave situated at the northwest corner of the lake forms an outlet for the overflow which occurs about once in four weeks and is often followed by a decrease of nearly eight inches in the alvel of the main lake |