This is a catalog of mineral specimens held by the Smithsonian's National Museum of Natural History at the turn of the 20th century. The specimens are organized

Part 2 contains lists of types, cotypes, paratypes, and figured specimens (plesiotypes) of vertebrate fossils, paleobotany and plant fossils, and records of var

This catalogue is an alphabetic list of all the types (holotypes, cotypes, paratypes), the subsequently described or figured specimens (plesiotypes), and the ar