The Catalogue consists of accounts of taxa prepared by specialists, including synonymy, description, diagnosis, phylogenetic relationships, published descriptions, illustrations, distribution map, and comprehensive list of literature for each taxon. The series covers amphibians and reptiles of the entire Western Hemisphere. This set consists of accounts 801 to 820 and is a collection of 20 hole-punched, loose-leaf separates. It describes 8 amphibian species (Bolitoglossa decora, Bolitoglossa diaphora, Cryptotriton nasalis, Plethodon angusticlavius, Isthmohyla zeteki, Tlalocohyla loquax, Leptodactylus knudseni, and Leptodactylus natalensis), and 12 reptile species (Sphaerodactylus sabanus, Cyclura cychlura, Iguana delicatissima, Sceloporus exsul, Sceloporus shannonorum, Sceloporus scalaris, Anolis sabanus, Anolis schwartzi, Ameiva erythrocephala, Alsophis rufiventris, Calamodontophis paucidens, and Procinura aemula).