Articles

Effects of floral display and plant abundance on fruit production of Ryncholaelia glauca (Orchidaceae)

Alejandro Flores-Palacios, José G. García-Franco

71-78 |

Calvatia sporocristata sp. nov. (Gasteromycetes) from Costa Rica

F D. Calonge, Milagro Mata, Julieta Carranza

79-84 |

Heterotrophic microbial activity and organic matter degradation in coastal lagoons of Colombia

Klaus Gocke, José Ernesto Mancera Pineda, Adriana Vallejo

85-98 |

Basic limnology of fifty-one lakes in Costa Rica

Kurt A. Haberyan, Sally P Horn, Gerardo Umaña V.

107-122 |

Asexual reproduction and molecular systematics of the sea anemone Anthopleura krebsi (Actiniaria: Actiniidae)

Paula Braga Gomes, Mauricio Oscar Zamponi, Antonio Mateo Solé-Cava

147-154 |

Littoral Decapods of Socorro Island, Revillagigedo Archipelago, Mexico

Silvia Mille-Pagaza, A Pérez-Chi, M E Sánchez-Salazar

175-182 |

A new species of Ulmeritoides from Brazil (Ephemeroptera: Leptophlebiidae)

María José Nascimento Lopes, Elidiomar Ribeiro Da-Silva, Victor Py-Daniel

195-200 |

Reproductive aspects of Oreochromis niloticus (Perciformes: Cichlidae) at Coatetelco lake, Morelos, Mexico

J L Gómez-Márquez, B Peña-Mendoza, I H Salgado-Ugarte, M Guzmán-Arroyo

221-228 |

Sexual dimorphism in Ramphastos toco and Ramphastos dicolorus (Piciformes, Aves)

Marcio S Castro, Shirlei M Recco-Pimentel, Guaracy T Rocha

241-246 |

Pharmacological activity of the essential oil of Satureja viminea (Lamiaceae)

Adriana Suárez, María Mercedes Echandi, Guido Ulate, José Fco Cicció

247-252 |