524 ROBERT ANDERSON 



Towada, about 60 miles south of Aomori, Hondo. It is 10 miles 

 in diameter and irregular. 



Toy a, near the coast north of Volcano Bay in Hokkaido, It is 

 round and over 10 miles broad, and contains two islands. The vol- 

 cano Usu-dake rises just south of it. 



Shikots, over 60 miles south of Sapporo, Hokkaido. It is an 

 irregular lake nearly 14 miles long and 7 broad surrounded by high 

 mountains. There are volcanoes within 5 miles both northwest and 

 southeast of it. 



Kutcharo, over 50 miles south of the southernmost part of the north 

 coast, in the northeast corner of Hokkaido. It is irregular, with 

 approximate dimensions of 15 by 8 miles, and surrounded by moun- 

 tains. A volcano and hot spring are just east of it. 



Bombom, Luzon, is a rudely oval crater lake with mean diameter 

 of 12 miles, ^ 



Java^ contains the following large craters: Ringguit, a remnant 

 of a ring that may have had a diameter of 13 miles; Idien, a remnant 

 with possible diameter of 10 miles; Hiiang, faint traces of an outer 

 crater of 10 miles diameter; Tengguer, an entire summit crater over 

 5 miles across; there are also 3 other adjoining craters, and the 4 

 together seem to form a single elliptical depression measuring 7 by 

 5 miles; Ngadipouro, a remnant of a ring 6.5 in diameter; Tounggoul 

 and related craters, 3 large rings that together seem to form a depres- 

 sion 15 miles long, and 12 miles wide at one end and 4 miles at the 

 other; Danou, one remnant indicates a formerly existent ring 9 miles 

 across, and 3 other rings together seem to form a crateral inclosure 

 measuring 8 miles by 3 ; Prinsen-eiland between Java and Sumatra 

 forms a partial ring 6.5 miles across; and the 4 islands of Parang, 

 north of Java, make up a possibly crateral ring with diameter of 6 

 miles. 



Maniendjoe and Singkarah are 2 lakes in Sumatra that probably 



^ Richard von Drasche, Fragmente zu einer Geologic der Insel Luzon, Vienna, 

 Verlag von Karl Gerold's Sohn, 1878. Also, G. F. Becker, Twenty-first Ann. Kept., 

 U. S. Geol. Survey, 1899-1900, Pt. III. 



2 Franz Junghuhn, Java; German translation, Leipzig, Arnoldische Buchhand- 

 lung, 1857. Also, Verbeek and Fennema, Description geologique de Java et Madoura, 

 Amsterdam, Joh. G. Stemler, 1896. 



