On the whole, oceanographical research was being taken up most actively in Europe, but much important work was also begun in America, for instance the fine hydrographical research in the Pacific by the Scripps Institute of the university of California.
In addition to the foregoing the government has a few small river boats on the Maranon and its tributaries, which are commanded by naval officers and used to maintain the authority of the republic and carry on geographical and hydrographical work.
The results are published in his Hydrographical Tables in a convenient form for use.
This group of mountains, occupying what may be regarded as ethnologically the centre of Germany, forms a hydrographical centre, whence the Naab flows southward to the Danube, the Main westward to the Rhine, the Eger eastward to the Elbe, and the Saale northward, also into the Elbe.
The hydrographical survey may now be completed.
