Vol. 21 No. 80 (1997)

Natural Sciences

Santiago Díaz-Piedrahita, Marta Lucía Bueno
201-204
A NEW SPECIES AND A NEW VARIETY OF PENTACALIA SUBGENERO MICROCHAETE (ASTERACEAE-SENECIONEAE)FROM THE SIERRA NEVADA DE SANTA MARTA, COLOMBIA
PDF (Español (España))
Santiago Díaz-Piedrahita, Gina Paola Méndez Ramírez
205-208
A NEW SPECIES OF PENTACALIA SUBGEN. PENTACALIA (ASTERACEAE-SENECIONEAE) FROM COLOMBIA)
PDF (Español (España))
Víctor Manuel Pardo-Cardona
209-215
NOVELTIES AND CORRECTIONS OF THE FLORA OF UREDINALES FROM COLOMBIA
PDF (Español (España))
Joaquín Pinto-Nolla
217-223
NOTES ON TRIBE PANICEAE R. BROWN (GRAMINEAE) AND A KEY TO ITS GENERA IN COLOMBIA
PDF (Español (España))
Luz Mila Quiñones
225-227
A NEW OF BROWNEA GEN (LEGUMINOSAE-CAESALPINIOIDEAE)
PDF (Español (España))
John Lynch, Pedro M. Ruiz-Carranza, Maria Cristina Ardila-Robayo
237-248
BIOGEOGRAPHIC PATTERNS OF COLOMBIAN FROGS AND TOADS
PDF
César A. Marín-Corba, Julio Betancur
249-25
A FLORISTIC STUDY IN AN OAKFOREST OF THE BIOLOGICAL SANTUARY OF IGUAQUE (BOYACÁ-COLOMBIA)
PDF (Español (España))
Uriel Angel Buitrago-Suárez, Germán Galvis
347-352
DESCRIPTION OF SOME ACCESSORY STRUCTURES OF THE UROGENITAL SYSTEM IN THE NEOTROPICAL FAMILY ASTROBLEPIDAE (PISCES, SILUROIDEI)
PDF
John D. Lynch
353-372
INTRAGENERIC RELATIONSHIPS OF MAINLAND ELEUTHERODACTYLUS II. A REVIEW OF THE ELEUTHERODACTYLUS SULCATUS GROUP
PDF
Pedro M. Ruiz-Carranza, Maria Cristina Ardila-R, John D. Lynch, Jorge Humberto Restrepo
373-378
A NEW SPECIES OF GASTROTHECA (AMPHIBIA: ANURA: HYLIDAE) FROM THE CORDILLERA OCCIDENTAL OF COLOMBIA
PDF (Español (España))

Mathematics

Víctor Samuel Albis González
281-293
VICISSITUDES OF THE EUCLIDEAN POSTULATE IN COLOMBIA
PDF (Español (España))
Víctor Samuel Albis González, Raúl Chaparro
313-319
ON A CONJECTURE OF BOREVICH AND SHAFAREVICH
PDF