|
11.
|
Third addition to a knowledge of the Batrachia and Reptilia of Costa Rica Cope, Edward Drinker
|
|
12.
|
Contributions to our knowledge of the duration of life in vertebrate animals Flower, Stanley S
|
|
13.
|
Some additions to the knowledge of the anatomy, principally of the vascular system, of Hatteria, Crocodilus and certain Lacertilia Beddard, Frank E
|
|
14.
|
Contribution to the knowledge of the nematodes that parasitize the reptiles of Mexico Caballero, R G
|
|
15.
|
A contribution to the knowledge of the variations of the tree frog Hyla regilla Test, Frederick Cleveland
|
|
16.
|
Contributions to our knowledge of the duration of life in vertebrate animals Flower, Stanley Smyth
|
|
17.
|
Additions to the knowledge of the amphibians of the Estacion de Biologia Tropical "Los Tuxtlas" Pérez Higareda, Gonzalo
|
|
18.
|
A survey of internal oral features of leptodactyloid larvae (Amphibia: Anura) Wassersug, Richard J - W Ronald Heyer
|
|
19.
|
International Union for conservation of Nature Library International Union for Conservation of Nature - Ramsar Convention on Wetlands - United Nations Environment Programme World Conservation Monitoring Centre
|
|
20.
|
Addresses in memory of Edward Drinker, Cope delivered at the meeting in the hall of the American Fhilosophical Society held at Philadelphiafor promotig useful knowledge Anonymous
|
