1.
|
A contribution to the knowledge of the l fauna of El Petén, Guatemala Stuart, Laurence Cooper
|
2.
|
Third addition to a knowledge of the Batrachia and Reptilia of Costa Rica Cope, Edward Drinker
|
3.
|
Some additions to the knowledge of the anatomy, principally of the vascular system, of Hatteria, Crocodilus and certain Lacertilia Beddard, Frank E
|
4.
|
A contribution to a knowledge of the herpetology of a portion of the savanna region of central Petén, Guatemala Stuart, Laurence Cooper
|
5.
|
Etnobotánica medicinal de los indígenas Warao de Tucupita y de la isla de Araguabisi en el Estado Delta Amacuro, Venezuela Noreye Guanire; A. - Aranguren B.; O - González Ñáñez
|
6.
|
Estudio funcional de pequeños sistemas doble propósito en el municipio Torres del estado Lara (estudio de casos), I study functional of small systems it bends purpose in the municipaly Tower of the state Lara (Study of cases) Alvarado, Arduini - Paredes, Luis - Capriles, Manasés
|
7.
|
Additions to the knowledge of the amphibians of the Estacion de Biologia Tropical "Los Tuxtlas" Pérez Higareda, Gonzalo
|