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and southern sea coasts of the United States, from Maine to Texas. These observations, it is expected, will prove of great value in helping to explain the local movements and general migrations of fishes, a study coming within the scope of that Commission. Thirty-two graphic charts representing 24 stations had been prepared up to the close of the year. A separate chart, showing the variation of temperature by ten day means for the five years preceding 1886, is given for each station, and there are also six charts of isothermal lines connecting all the stations. This work will be carried on during next year.

At Wood's Holl the curator continued his studies of the parasitic copepoda of the Atlantic coast, completing and submitting for publication a report upon six species, four of which are new to science; all of the species are