Paul F. S. Cornelius

• A revision of the species of Lafoeidae and Haleciidae (Coelenterata, Hydroida) recorded from Britain and nearby seas
• A revision of the species of Sertulariidae (Coelenterata, Hydroida) recorded from Britain and nearby seas
• North-west European thecate hydroids and their medusae
• The breeding birds of the London area
• The hydroid species of Obelia (Coelenterata, Hydrozoa : Campanulariidae), with notes on the medusa stage
• The hydroid species of obelia (coelenterata, hydrozoa : campanulariidiae), with notes on the medusa stage