Lymnaeacea. Macaws. Maceio, subject to fevers. Machuca. Mackleania. McCrae, Colonel. Madeira peaks. Mahogany. Maize. cultivation of. eaters. food of the people of North-East Brazil. of Mexico. of British Guiana. of the Caribs. stone grinders. Malacatoyo, R. Malayan dialects. Mallocera Spinicollis. Mammalia. Mandioca. Mangos. Manihot aipim. Mantos, origin of. Marcgravia nepenthoides. Masaya. lake of. volcano of. strata at. origin of strata at. Masaya Indians, women. Matagalpa. Maury, Professor T.B., on origin of cyclones. Mayas. of Yucatan. Melastomae. pouches in. Menmbracis. Mercury. Mestayer, Monsieur. Mestizos. Metlate. Mexico. maize in. food of people of. Miau-tsze. Mice. Mico, R. Microchera parvirostris. Microscopical cavities in rocks. Miguelito, San. Mines. Javali. Domingo, Santo. Libertad. El Coquimba. Mirage. Mocoim, the. Momotus Martii. lessoni. Monedula surinamensis (Fabr.). Monkeys. sagacity of. speech of. spider. white-faced. Montezuma. Mordellidae. Morphos. Morren, Dr., of Liege. Mosas. Mosquitoes. Moss insect. Moths. migratory. Mot-mots. tails of. Mules. bitten by spiders. sagacity of. thieves. Murderers, punishment of, in Nicaragua. Muscovy ducks. Muy-muy. Mycetes Palliatus. Mygale. Myriapods. Nahuatls. Names. of natural features of a country important in an inquiry as to the original inhabitants. of places corrupted. Nancito. Nandasme. Nasua fasca. Nectarina. Nephila. Nequen. Neuwied, Prince Maximilian, on nest of Tody. Nicaragua. bird fauna of. civil war in. conquest of by Spaniards. division of into three zones. emigration to. insects of. Nicaragua, name of chief. Nicaraguans, hospitality of. litigious. and Mexicans closely related. Nicaraguan judges. soldiers. women. Nicoya, Gulf of. Nispera. Nispral. Ocalca. Ocelots. Ocotal. Oecodoma. Olama. Ometepec, Island of. peaks. Onions. Oniscus. Opossums. Orange trees. Orchids. on rock of Cuapo. on Pena Blanca. Orinoco, carved rocks of. Ornithorhynchos. Oropendula. Orthoptera. Owls. Palacaguina. Palms. cocoa-nut. wine. Palosabre. Papaws. Papilios. Para grass. Parrots. Parsley. Passiflora quadrangularis. Passion flower. Paton, Mr. Pavon. Pavones. Pavos. Peas. Pediculi. Pedrarias. Pena Blanca. ascent of. rocks of. precipice of. Penelope. Pentatoma punicea. Pernambuco, healthiness of. Peroxide of iron. magnesia. Peru, maize found in raised beaches and tombs. Petasophora delphinae. Petrels. Phaethornis longirostris. Phalangidae. Phaseolus multiflorus. Phasma. Pheidole sp. Phenax. tail of. Phoenicothraupis fusicauda. Physa. Pigeons, wild. Pigs, wild, or wari. Pine apples. trees. Pinuela, the. Pinus tenuifolia. Pionia lycoides. Pisoti. Pita. Pital. Planorbis. Plantains. Plantain trees. Plant lice. Platyrhynchus. Pliocene period.