PLLS 16 contains papers mainly arising from several Langford Colloquia held by the Department of Classics, Florida State University. Contents The Elder Pliny S. Citroni Marchetti (Universit¿i Firenze):¿Cicero as Role-Model in the Self-Definition of Pliny the Elder¿ Trevor Murphy (University of California, Berkeley): ¿Notes from Underground: the Curious Katabasis of Dionysodorus¿ Eugenia Lao: ¿Taxonomic Organization in Pliny¿s Natural History¿ Aude Doody (University College Dublin): ¿The Authority of Greek Poetry in Pliny¿s Natural History 18.63-65¿ Trevor S. Luke (The Florida State University): ¿Pliny the Elder on Pythagoras¿ Greek and Roman Poetry Nigel Nicholson (Reed College): ¿Four Reasons not to have an Epinician¿ Alex Hardie (University of Edinburgh): ¿Callimachus at the Mouseion (the Hymn to Delos)¿ Annemarie Amb¿hl (Johannes Gutenberg-Universit¿Mainz): ¿Literary Love Triangles: Berenice at Alexandria and Rome¿ Alberto Canobbio (University of Pavia): ¿Lucilius and Horace: from criticism to identification¿.