Fecundación de una hembra de Rhodnius prolixus Stal, 1852, por dos machos

by Trejos, A., Rosabal, R., Hernández, Ana Y. de
Published 1966

Variation in altitudinal populations of the salamander, Bolitoglossa subpalmata, on the Cerro de la Muerte, Costa Rica

by Vial, James L.
Published 1966

Helmintos de la República de Costa Rica XXI. Algunos tremátodos de aves silvestres 2

by Brenes, Rodrigo R., Arroyo, Guido, Muñoz, Guillermo
Published 1966

Geographic variation in Sphaerodactylus notatus Baird

by Schwartz, Albert
Published 1965

A reassessment of the Virgin Islands Typhlops with the description of two new subspecies

by Thomas, Richard
Published 1965

Notes on Colombian Opalinids. I. Opalina, Zelleriella, and Cepedea

by Marinkelle, C. J.
Published 1965

Invertebrados bentónicos del Lago Cote, Costa Rica

by Sibaja-Cordero, Jeffrey Alejandro, Umaña-Villalobos, Gerardo
Published 2008

Limnología básica del Embalse Angostura, Turrialba, Costa Rica

by Umaña-Villalobos, Gerardo
Published 2008

Cyanoprocaryota y microalgas (Chlorophyceae y Bacillariophyceae) bentónicas dominantes en ríos de Costa Rica

by Silva-Benavides, Ana Margarita, Sili, Claudio, Torzillo, Giuseppe
Published 2008

El efecto del beneficiado del café sobre los insectos acuáticos en tres ríos del Valle Central (Alajuela) de Costa Rica

by Fernández, Leonel, Springer, Monika
Published 2008

Effect of methodology and sampling time on the taxa richness of aquatic macroinvertebrates and subsequent changes in the water quality index from three tropical rivers, Costa Rica

by Maue, Thomas, Springer, Monika
Published 2008

Aquatic insect diversity of Costa Rica: state of knowledge

by Springer, Monika
Published 2008

A new record of the rare alpheid shrimp Coronalpheus natator from Isla Coiba, Panama, with remarks on Coronalpheus and Automate (Crustacea: Decapoda)

by Poddoubtchenko, Denis, Anker, Arthur, Wehrtmann, Ingo S.
Published 2008

Prefacio

by Vargas-Zamora, José A.
Published 2016

Obituario: Harry Arnold Baylis 1889-1972

by Caballero y Caballero, Eduardo
Published 1973

Helminth parasites of freshwater fishes. X. On two new trematode parasites of freshwater fishes from Lucknow, India

by Verma, Sneh Lata
Published 1973

Ecología y reproducción de Opsanus beta (Actinopterygii: Batrachoididae) en la Laguna de Alvarado, Veracruz, México

by Franco López, Jonathan, Santes González, Alma G., Abarca Arenas, Luis G., Bedia Sánchez, Carlos, Barrera Escorcia, Héctor, Martínez Pérez, José A., Peláez Rodríguez, Edgar, Viveros Legorreta, José L.
Published 2017

Wirkung von Antiaminosauren auf Trichomonas vaginalis

by Christow, Chr. P.
Published 1973

Ptychophallus costaricensis, a new freshwater crab from Costa Rica

by Villalobos, Carlos R.
Published 1973

Floración primera del zacate gigante del Volcán Turrialba, Costa Rica

by Pohl, Richard W.
Published 1973