Ocosingo, a town in the Mexican state of Chiapas, 65 m. S. E. of Ciudad Real; pop. about 4,000. It derives its principal interest from a series of extraordinary aboriginal monuments in its vicinity, which closely resemble those of Palenque. They have been in part described by Mr. Stephens in his " Incidents of Travel in Central America," and by Capt. Dupaix in his report to the Spanish crown on the antiquities of Mexico.


See Augustus.


October (Lat. octo, eight), the tenth month of the year. In the Roman calendar it was originally the eighth, whence its name, which it retained after the beginning of the year had been changed from March to January. It was sacred to Mars.


See Reichenbach, Karl.


Odense, a seaport and next to Copenhagen the most important town of Denmark, capital of the island of Fünen, on a small river which falls into a bay of the same name about a mile from the town, 86 m. W. S. W. of Copenhagen; pop. in 1871, 16,470. It is a prosperous trading town, and one of the oldest places in Denmark. It is the seat of the governor and of a Lutheran bishop, and has a royal castle, a large hospital, and an agricultural and literary society. Its cathedral, founded in 1086 and completed in 1301, contains the tombs of several Danish kings. The town has distilleries, founderies, and woollen mills. It is said to have been founded by Odin.


Odenwald, a mountain region of Germany, in southern Hesse and the adjoining parts of Baden and Bavaria, between the river Neckar, which separates it from the Black Forest, and the Main, which separates it from the Spessart. It includes the sources of various small tributaries of the Rhine, Neckar, and Main. The beautiful region known as the Bergstrasse, or mountain road, in which are the towns of Ben-sheim, Darmstadt, and Langen, extends along its W. border; and in various parts of the district there are many interesting ruins of the Roman period. The highest mountain of the Odenwald is the Hardberg, which rises to the height of about 2,000 ft.


Oder (anc. Viadrus), a river of Germany, rising in Moravia, 14 m. E. N. E. of Olmutz, about 2,100 ft. above the level of the sea. It flows N. E. through Austrian Silesia, then through Prussian Silesia and Brandenburg in a tortuous but generally N. W. course to near lat. 53° N., where it changes its direction to N. N. E. and flows through Pomerania and the Grosses Haff into the Baltic. Its whole course, is about 550 m., and it is navigable for about 400 m. to Breslau for vessels of 50 tons, and for smaller craft to Ratibor, about 100 m. further. The chief tributaries from the right are the Malapane, Bartsch, and Warthe, and from the left the Oppa, Silesian Neisse, AVeistritz, Katzbach, Bober, and Bohemian Neisse. The chief towns on its banks are Ratibor, Kosel, Oppeln, Brieg, Breslau, Glogau, Frankfort, Ktistrin, and Stettin.