Ruggero Verity

[2] Roger Verity married, on 1 June 1922, Donna Giulia dei Principi Gallarati–Scotti (20 November 1887 – 17 June 1938) daughter of Don Gian Carlo, Prince di Molfetta, Duca di San Pietro in Galatina, and Luigia Melzi D'Eril dei Duchi di Lodi.

Roger Verity was a lepidopterist and the author of over 150 papers and books including Rhopalocera Palaeartica.

He was responsible for the naming of two to three thousand butterflies, his collection of close to 250,000 butterflies many purchased from the dealerships "Staudinger Bang-Haas" and Orazio Querci together with his library is now in La Specola museum in Florence.

He lived in Florence and at "Cicaleto" (Villa Verity) at Caldine, He died 4 March 1959 and is buried at Sofiana.

Roger Verity created the term "exerges", writing: "[Exerges] always inhabit different land-areas, except in particular cases, such as large mountain chains and plains, which afford very different surroundings and climates within the same area; they often consist in a long chain of races stretching even from one continent to another ..." The modern term is cline.