Vol. 15 (1)
July / Julio 1967
CONTENTS / CONTENIDOS
On some trematode parasites of Amphibia from Lucknow
Agrawal, V.
The ecology of the tropical Salamander, Bolitoglossa subpalmata, in Costa Rica
Vial, J.L.
A new colubrid snake from the Corn Islands, Nicaragua
Villa, J.D.
Hepatozoon procyonis Richards, 1961, in a Panamanian raccoon, Procyon cancrivorus panamensis (Goldman)
Schneider, C.R.
Estudio preliminar sobre Fasciola hepatica en Costa Rica
Brenes, R.R., G. Arroyo, G. Muñoz & E. Delgado
Observations on orchids and Euglossine bees in Panama and Costa Rica
Dressler, R.L.
The excretory system in Echinostome Cercariae (Trematoda)
Jain, G.P. & D.C. Yadav
Phytochemical screening of Costa Rican plants: Alkaloid Analysis III
Sáenz, J.A. & M. Nassar
Triatoma dimidiata capitata, a natural vector of Trypanosoma rangeli in Colombia
Marinkelle, C.J.