“80 Miscellaneous Intelligence. 
tion, These would probably be of two grades; the more numer- 
-ous ones having some simple and i inexpensive form of peernors 
to record the occurrence of a shock and to mark the time 
exactly as possible, while aless number of selected stations ‘would 
be provided with more elaborate seismographs to record as fully 
-as possible the details of the earth’s movement. As preliminary 
work in this direction, Messrs. Paul, Rockwood and Marvin are t 
report upon the form of instruments to be adopted ; and Messrs. 
Rockwood, Abbé and Davis are to consider the best Scographict 
distribution of the stations; Professor Rockwood 
taken to prepare a chart of the geographical pene Nope of the 
earthquakes which have occurred in the United States and Canada 
Besides this preparation for observational work Mr. Davis is 
on instruments already em lo in other countries, es- 
a Japan; while other related topics are not overlooked. 
e to be conducted under the supervision of t 5. 
un U. 5. 
Geological Survey which will attend to the executive details of 
the scheme. And when suflicient observations have been col- 
lected they will be put into the proper hands for Scientific discus- 
si pe R. 
oleanic Phenomena of 1883, (Die Vulcanische Ereignisse 
oe ‘Jahres 1883. 19. Bis: wah von C. W. C. Fuchs.—Min. 
pele. Mittheil. )—The re report of C. W. C. Fucus contains 
Tr 
island ee between po sad Su oe was first reported ‘e a 
passing vessel on May 20, as indicated by lr ge aoe topping 
its pea and a considerable fall of ashes. It was from time 
which a bain) portion of the mountain was blown bodily into the 
ede aout action of the» waves. Al the same time destructive 
eruptions of lava and ashes were taking place from the voleanoes 
Maha Meru, Gunung Gunter, lama and Papandayang in Java. 
th 
The explosion of Kraka not only changed very much the 
conformation of that island, oe its ges area by over two- 
thirds, but gave rise to immense sea waves, which washed all the 
surrounding. coasts, carrying death and d eaheron to all in their 
way, and were still sensibly felt at far distant places in Africa 
and America. It also caused an pebegpaeca wave which was 
