t and
contagious type; the occurrence of it in Britain is due to the
importation of infected cattle from the Asiatic steppes.

RING AND THE BOOK, a poem by Browning of 20,000 lines, giving
different versions of a story agreeably to and as an exhibition of the
personalities of the different narrators.

RIO DE JANEIRO (423), capital and chief seaport of Brazil,
charmingly situated on the E. coast of Brazil, on the W. shore of a
spacious and beautiful bay, 15 m. long, which forms one of the finest
natural harbours in the world; stretches some 10 m. along the seaside,
and is hemmed in by richly clad hills; streets are narrow and ill kept;
possesses a large hospital, public library (180,000 vols.), botanical
gardens, arsenal, school of medicine, electric tramways, &c.; has
extensive docks, and transacts half the commerce of Brazil; coffee is the
chief export; manufactures cotton, jute, silk, tobacco, &c. Great heat
prevails in the summer, and yellow fever is common.

RIO GRANDE (known also as Rio Bravo del Norte), an important river
of North America, rises in the San Juan Mountains in Colorado; flows SE.,
dividing Texas from Mexico, and enters the Gulf of Mexico after a course
of 1800 m.; is navigable for steamboats some 500 m.; chief tributary, Rio
Pecos; also the name given to the head-stream of the river Parana in
Brazil and Argentina.

RIO GRANDE DO NORTE (310), a maritime State in the NE. corner of
Brazil, called after the Rio Grande, which flows NE. and enters the
Atlantic at Natal, the capital of the State.

RIO GRANDE DO SUL (645), the southmost state in Brazil, lies N. of
Uruguay, fronting the Atlantic; capital, Rio Grande (18).

RIO NEGRO, 1, One of the larger tributaries of the Amazon, rises as
the Guainia in SE. Columbia; crosses Venezuela and Brazil in a more or
less SE. direction, and joins the Amazon (the Maranon here) near Manaos
after a course of 1350 m.; some of its tributaries connect the Orinoco
with the Amazon. 2, Has its source in a small lake in the Chilian Andes,
flows NE. and E. to the Atlantic, is some 500 m. long, and easily
navigated.

RIOJA (80), a province of W. Argentina, embraces some of the most
fruitful valleys of the Andes which grow cereals, vines, cotton, &c.;
some mining in copper, silver, and gold is done. The capital, Rioja (6),
is prettily planted in a vine and orange district at the base of the
Sierra Velasco 350 m. NW. of Cordoba.

RIOM (10), a pretty littl