Show OALUM1N1ThI TAGS FOR FISH Novel Scheme California to Determine Deter-mine the R1bits of Salmon Claude Rutter assistant United States fish commissioner has arrived 1 in thin city after several months of OX peIimental WQrk and scientific inyesli gation on the Sacramento river f 3Y5 i < 0 the San Francisco Chronicle He has been studying the salmon their habits and their development flutter has made two rowboat trIps dcwn theriver the first from Red Bluff to Sacramento and the second frlJm Redding to the same destip1tlon He aayi that the river has been stocked with 40000OCO young salmon durIng the past few months lut the novel part of his labors is yet to come The adult salmon will be tagged t with threequal terincn plates either of copper or aluminum fastened to the fins or gills TheIr movements upstream will then be noted and observation made accord hgIY The public are requested to re turr all tagged fish to the river In the event of a successful angling In order to determine the rate of growth of salmon several hundred scimens of young fish will have their adipose fins cut The adipose fin is on the back in front of the tail fin mid is Of fatty nature The cutting will leave a scar which will be the means of Identification should any of these abbreviated ab-breviated fish return to the scenes of I their youth A single specimen of one of these finless fish foundin the river will be the best evidence that he was launched in 1898 and his rate of growth may be accordingly judged The general gen-eral belief is that the salmon gets out to sea soon after hatching and does not return until it has reached the aze whIch places it in the class of adults I The tagging and cutting will he the I I mans by hich the habits of the sal I men may be ascertained by the fish cx perts S |